CN207544053U - A kind of laying hen cage cultivation device with continuous material automatically - Google Patents

A kind of laying hen cage cultivation device with continuous material automatically Download PDF

Info

Publication number
CN207544053U
CN207544053U CN201721343014.9U CN201721343014U CN207544053U CN 207544053 U CN207544053 U CN 207544053U CN 201721343014 U CN201721343014 U CN 201721343014U CN 207544053 U CN207544053 U CN 207544053U
Authority
CN
China
Prior art keywords
hand thread
motor
pipe
fixedly connected
contact
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.)
Active
Application number
CN201721343014.9U
Other languages
Chinese (zh)
Inventor
刘瑞艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hua Danmu Technology Co Ltd
Original Assignee
Qingdao Hua Danmu Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Hua Danmu Technology Co Ltd filed Critical Qingdao Hua Danmu Technology Co Ltd
Priority to CN201721343014.9U priority Critical patent/CN207544053U/en
Application granted granted Critical
Publication of CN207544053U publication Critical patent/CN207544053U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of laying hen cage cultivation devices with continuous material automatically, including mounting base and diversion pipe, the upper surface of the mounting base is installed with pedestal and support column respectively, the upper surface of pedestal is installed with left motor and right motor respectively, the output shaft of left motor and right motor has been respectively fixedly connected with left-hand thread bar and right-hand thread bar by shaft coupling, the surface of left-hand thread bar and right-hand thread bar is threaded with left-hand thread pipe and right-hand thread pipe respectively, and the surface of left-hand thread pipe and right-hand thread pipe has been fixedly connected with link block.This has the function of the laying hen cage cultivation device of continuous material automatically, achieve the effect that carrying out rotating control to left motor and right motor stops, when link block touches left limit switch, left motor and right motor, which rotate forward, to be stopped, when link block touches right limit switch, left motor and right motor reversal stop, so as to effectively solve the problems, such as that artificial feed efficiency is low, increase labour cost and is unfavorable for health.

Description

A kind of laying hen cage cultivation device with continuous material automatically
Technical field
The utility model is related to cultivation equipment technical field, specially a kind of laying hen cage with continuous material automatically is set It is standby.
Background technology
Cultivation is cultivated and is bred(Aquatic products animals and plants).Cultivation includes livestock culturing, poultry farming, aquaculture, extraordinary foster Grow several major class.
At present in laying hen cage breeding process, most of feeding is all by artificial feed, and such breeding way is not Only efficiency is low, and increases labour cost, while increases people and cultivate the time of contact in delivery room, is unfavorable for the health of human body, so Need a kind of laying hen cage cultivation device with continuous material automatically.
Utility model content
(One)The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of laying hen cage with continuous material automatically and sets It is standby, solve the problems, such as that artificial feed efficiency is low, increase labour cost and is unfavorable for health.
(Two)Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:One kind has automatic continuous material work( The laying hen cage cultivation device of energy, including mounting base and diversion pipe, the upper surface of the mounting base is installed with pedestal respectively And support column, the upper surface of the pedestal are installed with left motor and right motor respectively, the left motor and right motor it is defeated Shaft has been respectively fixedly connected with the surface point of left-hand thread bar and right-hand thread bar, the left-hand thread bar and right-hand thread bar by shaft coupling It is not threaded with left-hand thread pipe and right-hand thread pipe, the surface of the left-hand thread pipe and right-hand thread pipe has been fixedly connected with connection Block, the side of the link block are fixedly connected with slip pipe, and the surface of the support column is fixedly connected with litter, the table of the litter The inner wall of face and slip pipe is slidably connected, and the upper surface of the mounting base is installed with left limit switch respectively and right limit is opened It closes, the left limit switch and right limit switch are electrically connected with left motor and right motor, the left-hand thread pipe and right-hand thread pipe One end be fixedly connected with plate, the surface of the plate offers leakage hole.
The top of the diversion pipe, which is fixed, is communicated with passage, and the lower surface of the diversion pipe, which is fixed, is communicated with isocon, The middle part of the isocon and the surface grafting of plate, the bottom of the isocon are provided with hopper, the lower surface of the hopper Feeler lever is fixedly connected with, the surface of the feeler lever slidably connects casing, and the inner wall of described sleeve pipe offers sliding slot, the sliding slot Inner wall slidably connect disk, the lower surface of the disk is fixedly connected with spring, the bottom of the spring and casing it is interior Bottom wall is fixedly connected, and the upper surface of the disk is fixedly connected with the bottom of feeler lever.
Preferably, the top of the passage, which is fixed, is communicated with feeding warehouse, and the surface of the feeding warehouse is in cone shape.
Preferably, the diameter of the leakage hole is equal equal to the internal diameter of isocon, the length of the left-hand thread pipe and right-hand thread pipe Degree is all higher than the diameter of leakage hole.
Preferably, the upper and lower surface of the disk has been respectively fixedly connected with out lower contact and has closed contact, described The inner roof wall and inner bottom wall of sliding slot have been respectively fixedly connected with out upper contact and have closed lower contact.
Preferably, described to open lower contact and be electrically connected with opening upper contact, the contact of closing is electrically connected with closing lower contact.
Preferably, the upper contact of opening is electrically connected with left motor and right motor, it is described close contact with left motor and Right motor electrical connection.
(Three)Advantageous effect
The utility model provides a kind of laying hen cage cultivation device with continuous material automatically, has following advantageous effect:
(1), should have the function of the continuous laying hen cage cultivation device expected automatically, by the surface for setting left-hand thread bar and right-hand thread bar It is threaded with left-hand thread pipe and right-hand thread pipe respectively, the surface of left-hand thread pipe and right-hand thread pipe has been fixedly connected with link block, The side of link block is fixedly connected with slip pipe, and the surface of support column is fixedly connected with litter, the surface of litter and the inner wall of slip pipe It is slidably connected, the upper surface of mounting base is installed with left limit switch and right limit switch, left limit switch and the right side respectively Limit switch is electrically connected with left motor and right motor, and one end of left-hand thread pipe and right-hand thread pipe has been fixedly connected with plate, is inserted The surface of plate offers leakage hole, has achieved the effect that carrying out rotating control to left motor and right motor stops, when link block touches When encountering left limit switch, left motor and right motor are rotated forward and are stopped, when link block touches right limit switch, left motor and the right side Motor reversal stops, and so as to effectively solve, artificial feed efficiency is low, increase labour cost and is unfavorable for asking for health Topic.
(2), should have the function of the continuous laying hen cage cultivation device expected automatically, distinguished by the upper and lower surface for setting disk It is fixedly connected with out lower contact and closes contact, the inner roof wall and inner bottom wall of sliding slot have been respectively fixedly connected with out upper contact and have closed down Contact is opened lower contact and is electrically connected with opening upper contact, closes contact and is electrically connected with closing lower contact, open upper contact with left motor and the right side Motor is electrically connected, and is closed contact and is electrically connected with left motor and right motor, has been reached to left motor and the progress of right motor positive and inverse The effect of startup is started using foodstuff GRAVITY CONTROL, and when not having foodstuff in hopper, spring bounces disk, and lower contact is opened in drive It is electrically connected with opening upper contact, controls left motor and right motor starts rotating forward simultaneously, and then pass through left-hand thread bar and right-hand thread bar Surface is threaded with left-hand thread pipe and right-hand thread pipe respectively, and plate is driven to slide, and leakage hole is slid into inside isocon, isocon It is opened, foodstuff leaks out, while link block touches right limit switch, and left motor and right motor stop, when the foodstuff in hopper During increase, gravity increases, and squeezes spring, disk drive is closed contact and is electrically connected with closing lower contact, and then starts left motor and the right side Motor drives plate to seal isocon, while when link block touches left limit switch, starts left motor and right motor stops, So as to effectively solve the problems, such as that artificial feed efficiency is low, increase labour cost and is unfavorable for health.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the left electric machine structure front view of the utility model;
Fig. 3 is the right electric machine structure front view of the utility model;
Fig. 4 is the utility model sleeve structure sectional view.
In figure:1 mounting base, 2 diversion pipes, 3 pedestals, 4 support columns, 5 left motors, 6 right motors, 7 left-hand thread bars, 8 right spiral shells Rasp bar, 9 left-hand thread pipes, 10 right-hand thread pipes, 11 link blocks, 12 slip pipes, 13 litter, 14 left limits switch, 15 right limits switch, 16 Plate, 17 leakage holes, 18 passages, 19 isocons, 20 hoppers, 21 feeler levers, 22 casings, 23 sliding slots, 24 disks, 25 springs, 26 into Feed bin, 27 open lower contact, 28 close contact, 29 open upper contact, 30 close lower contact.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of laying hen cage with continuous material automatically Equipment, including mounting base 1 and diversion pipe 2, the upper surface of mounting base 1 is installed with pedestal 3 and support column 4, bottom respectively The upper surface of seat 3 is installed with left motor 5 and right motor 6 respectively, and the output shaft of left motor 5 and right motor 6 passes through shaft coupling Left-hand thread bar 7 and right-hand thread bar 8 have been respectively fixedly connected with it, the surface of left-hand thread bar 7 and right-hand thread bar 8 is threaded with a left side respectively The surface of screwed pipe 9 and right-hand thread pipe 10, left-hand thread pipe 9 and right-hand thread pipe 10 has been fixedly connected with link block 11, link block 11 Side be fixedly connected with slip pipe 12, the surface of support column 4 is fixedly connected with litter 13, and the surface of litter 13 is interior with slip pipe 12 Wall is slidably connected, and the upper surface of mounting base 1 is installed with left limit switch 14 and right limit switch 15 respectively, and left limit is opened Pass 14 and right limit switch 15 are electrically connected with left motor 5 and right motor 6, by the table for setting left-hand thread bar 7 and right-hand thread bar 8 Face is threaded with left-hand thread pipe 9 and right-hand thread pipe 10 respectively, and the surface of left-hand thread pipe 9 and right-hand thread pipe 10 has been fixedly connected with Link block 11, the side of link block 11 are fixedly connected with slip pipe 12, and the surface of support column 4 is fixedly connected with litter 13, litter 13 Surface and the inner wall of slip pipe 12 be slidably connected, the upper surface of mounting base 1 is installed with left limit switch 14 and right respectively Limit switch 15, left limit switch 14 and right limit switch 15 are electrically connected with left motor 5 and right motor 6, left-hand thread pipe 9 and the right side One end of screwed pipe 10 has been fixedly connected with plate 16, and the surface of plate 16 offers leakage hole 17, has reached to left motor 5 and the right side Motor 6 carries out the effect that rotating control stops, when link block 11 touches left limit switch 14, left motor 5 and right motor 6 It rotates forward and stops, when link block 11 touches right limit switch 15, left motor 5 and the reversion of right motor 6 stop, 9 He of left-hand thread pipe One end of right-hand thread pipe 10 has been fixedly connected with plate 16, and the surface of plate 16 offers leakage hole 17, and the diameter of leakage hole 17 is equal to The internal diameter of isocon 19 is equal, and the length of left-hand thread pipe 9 and right-hand thread pipe 10 is all higher than the diameter of leakage hole 17.
The top of diversion pipe 2, which is fixed, is communicated with passage 18, and the top of passage 18, which is fixed, is communicated with feeding warehouse 26, feeds The surface in storehouse 26 is in cone shape, and the lower surface of diversion pipe 2, which is fixed, is communicated with isocon 19, middle part and the plate 16 of isocon 19 Surface grafting, the bottom of isocon 19 is provided with hopper 20, and the lower surface of hopper 20 is fixedly connected with feeler lever 21, feeler lever 21 Surface slidably connects casing 22, and the inner wall of casing 22 offers sliding slot 23, and the inner wall of sliding slot 23 slidably connects disk 24, circle The lower surface of disk 24 is fixedly connected with spring 25, and the bottom of spring 25 is fixedly connected with the inner bottom wall of casing 22, disk 24 it is upper Surface is fixedly connected with the bottom of feeler lever 21, and the upper and lower surface of disk 24 has been respectively fixedly connected with out lower contact 27 and has closed Upper contact 28, the inner roof wall and inner bottom wall of sliding slot 23 have been respectively fixedly connected with out upper contact 29 and have closed lower contact 30, open lower contact 27 are electrically connected with opening upper contact 29, close contact 28 and are electrically connected with closing lower contact 30, open upper contact 29 with left motor 5 and right electricity Machine 6 is electrically connected, and is closed contact 28 and is electrically connected with left motor 5 and right motor 6, by the upper and lower surface for setting disk 24 It has been respectively fixedly connected with out lower contact 27 and has closed contact 28, the inner roof wall and inner bottom wall of sliding slot 23 have been respectively fixedly connected with out Contact 29 and lower contact 30 is closed, opens lower contact 27 and be electrically connected with opening upper contact 29, close contact 28 and be electrically connected with closing lower contact 30, It opens upper contact 29 to be electrically connected with left motor 5 and right motor 6, closes contact 28 and be electrically connected with left motor 5 and right motor 6, reached To the effect started to left motor 5 and 6 rotating of right motor, started using foodstuff GRAVITY CONTROL, do not had when in hopper 20 When having foodstuff, spring 25 bounces disk 24, and drive is opened lower contact 27 and is electrically connected with opening upper contact 29, controls left motor 5 and right electricity Machine 6 starts rotating forward simultaneously, and then is threaded with left-hand thread pipe 9 and the right side respectively by the surface of left-hand thread bar 7 and right-hand thread bar 8 Screwed pipe 10 drives plate 16 to slide, and leakage hole 17 is slid into inside isocon 19, and isocon 19 is opened, and foodstuff leaks out, simultaneously Link block 11 touches right limit switch 15, and left motor 5 and right motor 6 stop, and when the foodstuff increase in hopper 20, gravity increases Add, squeeze spring 25, the drive of disk 24 is closed contact 28 and is electrically connected with closing lower contact 30, and then starts left motor 5 and right motor 6, plate 16 is driven to seal isocon 19, while when link block 11 touches left limit switch 14, start left motor 5 and right motor 6 stop, so as to effectively solve the problems, such as that artificial feed efficiency is low, increase labour cost and is unfavorable for health.
In conclusion there should be the laying hen cage cultivation device of continuous material automatically, by setting left-hand thread bar 7 and right-hand thread bar 8 surface is threaded with left-hand thread pipe 9 and right-hand thread pipe 10 respectively, and the surface of left-hand thread pipe 9 and right-hand thread pipe 10 is fixed Link block 11 is connected with, the side of link block 11 is fixedly connected with slip pipe 12, and the surface of support column 4 is fixedly connected with litter 13, The surface of litter 13 and the inner wall of slip pipe 12 are slidably connected, and the upper surface of mounting base 1 is installed with left limit switch respectively 14 and right limit switch 15, left limit switch 14 and right limit switch 15 be electrically connected with left motor 5 and right motor 6, left-hand thread One end of pipe 9 and right-hand thread pipe 10 has been fixedly connected with plate 16, and the surface of plate 16 offers leakage hole 17, reached to left electricity Machine 5 and right motor 6 carry out the effect that rotating control stops, when link block 11 touches left limit switch 14, left 5 He of motor Right motor 6, which rotates forward, to be stopped, and when link block 11 touches right limit switch 15, left motor 5 and the reversion of right motor 6 stop, and pass through The upper and lower surface of setting disk 24 has been respectively fixedly connected with out lower contact 27 and has closed contact 28, the inner roof wall of sliding slot 23 Upper contact 29 has been respectively fixedly connected with out with inner bottom wall and has closed lower contact 30, is opened lower contact 27 and is electrically connected with opening upper contact 29, is closed Upper contact 28 is electrically connected with closing lower contact 30, is opened upper contact 29 and is electrically connected with left motor 5 and right motor 6, and it is equal to close contact 28 It is electrically connected with left motor 5 and right motor 6, has achieved the effect that start left motor 5 and 6 rotating of right motor, utilized food Expect that GRAVITY CONTROL starts, when not having foodstuff in hopper 20, spring 25 bounces disk 24, and drive opens lower contact 27 and opens upper contact 29 electrical connections, control left motor 5 and right motor 6 while start rotating forward, and then pass through the surface of left-hand thread bar 7 and right-hand thread bar 8 It is threaded with left-hand thread pipe 9 and right-hand thread pipe 10 respectively, plate 16 is driven to slide, leakage hole 17 is slid into inside isocon 19, Isocon 19 is opened, and foodstuff leaks out, while link block 11 touches right limit switch 15, and left motor 5 and right motor 6 stop, When the foodstuff increase in hopper 20, gravity increases, and squeezes spring 25, and the drive of disk 24 closes contact 28 and closes 30 electricity of lower contact Connection, and then start left motor 5 and right motor 6, plate 16 is driven to seal isocon 19, while link block 11 touches left limit When switching 14, start left motor 5 and right motor 6 stops, artificial feed efficiency is low, increases labour cost so as to effectively solve The problem of with health is unfavorable for.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of laying hen cage cultivation device with continuous material automatically, including mounting base(1)And diversion pipe(2), feature exists In:The mounting base(1)Upper surface be installed with pedestal respectively(3)And support column(4), the pedestal(3)Upper table Face is installed with left motor respectively(5)With right motor(6), the left motor(5)With right motor(6)Output shaft pass through shaft coupling Device has been respectively fixedly connected with left-hand thread bar(7)With right-hand thread bar(8), the left-hand thread bar(7)With right-hand thread bar(8)Surface point It is not threaded with left-hand thread pipe(9)With right-hand thread pipe(10), the left-hand thread pipe(9)With right-hand thread pipe(10)Surface it is solid Surely it is connected with link block(11), the link block(11)Side be fixedly connected with slip pipe(12), the support column(4)Surface It is fixedly connected with litter(13), the litter(13)Surface and slip pipe(12)Inner wall be slidably connected, the mounting base(1) Upper surface be installed with respectively left limit switch(14)It is switched with right limit(15), the left limit switch(14)With right limit Bit switch(15)With left motor(5)With right motor(6)Electrical connection, the left-hand thread pipe(9)With right-hand thread pipe(10)One end It has been fixedly connected with plate(16), the plate(16)Surface offer leakage hole(17);The diversion pipe(2)Top fix It is communicated with passage(18), the diversion pipe(2)Lower surface fix be communicated with isocon(19), the isocon(19)In Portion and plate(16)Surface grafting, the isocon(19)Bottom be provided with hopper(20), the hopper(20)Following table Face is fixedly connected with feeler lever(21), the feeler lever(21)Surface slidably connect casing(22), described sleeve pipe(22)Inner wall Offer sliding slot(23), the sliding slot(23)Inner wall slidably connect disk(24), the disk(24)Lower surface fix It is connected with spring(25), the spring(25)Bottom and casing(22)Inner bottom wall be fixedly connected, the disk(24)It is upper Surface and feeler lever(21)Bottom be fixedly connected.
2. a kind of laying hen cage cultivation device with continuous material automatically according to claim 1, it is characterised in that:It is described to lead Expects pipe(18)Top fix be communicated with feeding warehouse(26), the feeding warehouse(26)Surface be in cone shape.
3. a kind of laying hen cage cultivation device with continuous material automatically according to claim 1, it is characterised in that:The leakage Hole(17)Diameter be equal to isocon(19)Internal diameter it is equal, the left-hand thread pipe(9)With right-hand thread pipe(10)Length it is big In leakage hole(17)Diameter.
4. a kind of laying hen cage cultivation device with continuous material automatically according to claim 1, it is characterised in that:The circle Disk(24)Upper and lower surface be respectively fixedly connected with out lower contact(27)With close contact(28), the sliding slot(23)'s Inner roof wall and inner bottom wall have been respectively fixedly connected with out upper contact(29)With close lower contact(30).
5. a kind of laying hen cage cultivation device with continuous material automatically according to claim 4, it is characterised in that:It is described to open Lower contact(27)With opening upper contact(29)Electrical connection, it is described to close contact(28)With closing lower contact(30)Electrical connection.
6. a kind of laying hen cage cultivation device with continuous material automatically according to claim 4, it is characterised in that:It is described to open Upper contact(29)With left motor(5)With right motor(6)Electrical connection, it is described to close contact(28)With left motor(5)With right electricity Machine(6)Electrical connection.
CN201721343014.9U 2017-10-18 2017-10-18 A kind of laying hen cage cultivation device with continuous material automatically Active CN207544053U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721343014.9U CN207544053U (en) 2017-10-18 2017-10-18 A kind of laying hen cage cultivation device with continuous material automatically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721343014.9U CN207544053U (en) 2017-10-18 2017-10-18 A kind of laying hen cage cultivation device with continuous material automatically

Publications (1)

Publication Number Publication Date
CN207544053U true CN207544053U (en) 2018-06-29

Family

ID=62673483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721343014.9U Active CN207544053U (en) 2017-10-18 2017-10-18 A kind of laying hen cage cultivation device with continuous material automatically

Country Status (1)

Country Link
CN (1) CN207544053U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113043626A (en) * 2021-03-12 2021-06-29 上犹耀兴复合材料有限公司 Extrusion forming equipment for glass fiber board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113043626A (en) * 2021-03-12 2021-06-29 上犹耀兴复合材料有限公司 Extrusion forming equipment for glass fiber board

Similar Documents

Publication Publication Date Title
CN107135962A (en) A kind of livestock breed aquatics device
CN104430013A (en) Automatic feeder
CN106614055B (en) One boar food automatic feeding machine
CN204742214U (en) Even two -way machine of feeding of compounding
CN207544053U (en) A kind of laying hen cage cultivation device with continuous material automatically
CN104756944A (en) Soft-shelled turtle breeding feeding device
CN109006542A (en) A kind of livestock-raising self-watering equipment
CN107258597A (en) A kind of intelligent feeding equipment of the uniform chicken house of feeding
CN104304086A (en) Using method of automatic floor type poultry breeding fodder adding plate
CN204722043U (en) The uniform wide region device for feeding fish bait of batch mixing
CN204362732U (en) A kind of automatic feeding machine
CN207125111U (en) A kind of livestock breed aquatics device
CN107711578B (en) Multifunctional live poultry breeding equipment
CN103478003B (en) Livestock feeder blanking assembly
CN207322364U (en) Seedling device is selected in a kind of chick hatching
CN207733409U (en) A kind of herding sliding feed device
CN107950409A (en) Heatable Pet feeding device
CN207185625U (en) A kind of uniform chicken house intelligence feeding equipment of feeding
CN109024754B (en) Automatic water supply installation in farm
CN211660582U (en) Rais livestock or poultry with feeding groove convenient to use
CN209002577U (en) A kind of livestock culturing charging device
CN208676058U (en) A kind of sheep cultivation feed trough with heating function
CN208905344U (en) A kind of raising canopy of the sort-type livestock-raising with automatic feeding function
CN205884348U (en) Novel licofelone breeds fodder batching fast device
CN108925441A (en) A kind of feedstuff for live pigs feed opening

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant