CN107825263A - Polishing dedusting manipulator and the detection device installation system containing the manipulator - Google Patents
Polishing dedusting manipulator and the detection device installation system containing the manipulator Download PDFInfo
- Publication number
- CN107825263A CN107825263A CN201711077810.7A CN201711077810A CN107825263A CN 107825263 A CN107825263 A CN 107825263A CN 201711077810 A CN201711077810 A CN 201711077810A CN 107825263 A CN107825263 A CN 107825263A
- Authority
- CN
- China
- Prior art keywords
- dedusting
- polishing
- bistrique
- impeller
- dust
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
A kind of detection device installation system the invention discloses polishing dedusting manipulator and containing the manipulator, it is related to rail vehicles technical field of nondestructive inspection, including bistrique and the fine tuning dish that can be connected with travel mechanism, bistrique includes shield and the impeller driven by drive mechanism, impeller is arranged on bistrique front end, shield is connected by collecting pipe with dust arrester, and angular adjustment element is provided between bistrique rear portion drive mechanism and fine tuning dish.Bogie surface is bonded by bistrique front end impeller, bogie surface is polished under the driving of drive mechanism, caused iron filings, dust in bruting process are collected using dust arrester, ensure that the high efficiency and the feature of environmental protection of polishing;By the angle of inclination of angular adjustment element regulation bistrique, fine tuning dish provides bistrique certain centripetal force by travel mechanism, using iron rust, paint and the oxide on impeller cross grinding bogie surface, so as to obtain the workpiece surface for meeting roughness requirements, and then the installation of detection device is realized.
Description
Technical field
The present invention relates to rail vehicles technical field of nondestructive inspection, more particularly to a kind of polishing dedusting manipulator and contain
There is the detection device installation system of the manipulator.
Background technology
Bogie is the important component assembled by the parts and device of rolling stock EEF bogie, conventional bogie
Method of detection is to be detected sensor installed in surface.Because bogie is runed under open-air condition for a long time, its surface ten
It is point coarse, spread all over iron rust, grease, weld seam and other oxides.In such a situa-tion, sensor can not measure valid data,
Therefore bogie surface need to be cleared up in advance, cleaning to expose metal surface can install sensor.At present, cleaning work
Manual polishing is relied primarily on, labor intensity is big, and operating efficiency is low;There is the generation such as iron filings, dust in bruting process during meeting simultaneously, hold
Easily pollution environment, influences operating personnel's health.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of polishing dedusting manipulator and the detection containing the manipulator
Apparatus installation system, automatically grinding can be carried out to bogie outer wall surface, while there is dedusting function, high-efficiency environment friendly is convenient
Sensor is installed, and realizes the purpose that special inspecting equipment accurately detects.
In order to solve the above technical problems, the technical solution used in the present invention is:
One kind polishing dedusting manipulator, including workpiece polishing mechanism and dust arrester, the workpiece polishing mechanism include bistrique and can be with movements
The connected fine tuning dish of mechanism, the bistrique includes shield and the impeller driven by drive mechanism, before the impeller is arranged on bistrique
End, the shield are connected by collecting pipe with dust arrester, and angle is provided between bistrique rear portion drive mechanism and fine tuning dish and is adjusted
Save element.
Preferably, the drive mechanism includes motor and main shaft, and the output shaft of the motor is coaxially fixed with main shaft, described
Main shaft is connected by interface arrangment with impeller shank, and the electric machine casing is connected by angular adjustment element with fine tuning dish.
Preferably, the interface arrangment includes collet and chuck nut, and the collet is hollow tubular and one
End is provided with several axial gap, and collet one end with gap is sleeved on impeller shank, and the collet is cylindrical
Provided with annular boss, described chuck nut endoporus one end is provided with the groove coordinated with annular boss, the chuck nut other end
Provided with the internal thread coordinated with main shaft.
Preferably, the angular adjustment element is two or more and the spring arranged up and down.
Preferably, the dust arrester includes dedusting shell, dedusting top cover, dust-collecting box and fan, during the dedusting shell is
Cavity body, the dedusting top cover, which is arranged at the top of dedusting cover top portion and dedusting top cover, is provided with exhaust outlet, and the dust-collecting box is set
In dedusting outer casing bottom, the fan is arranged on the middle and upper part in dedusting shell, and the dust-collecting box is the open hollow shell in top
Body and connected with collecting pipe, screen pack is provided with the top of the dust-collecting box.
Preferably, the impeller is surrounded by the dedusting sealing ring being connected with shield, footpath on the dedusting sealing ring end face
To provided with several air inlets.
Preferably, the collecting pipe is flexible pipe.
The present invention also provides a kind of detection device installation system containing said structure polishing dedusting manipulator.
It is using beneficial effect caused by above-mentioned technical proposal:Compared with prior art, before the present invention is by bistrique
Impeller fitting bogie surface is held, bogie surface is polished under the driving of drive mechanism, using dust arrester to polishing
During caused iron filings, dust be collected, ensure that the high efficiency and the feature of environmental protection of polishing;By angular adjustment element regulation
The angle of inclination of bistrique, fine tuning dish provide bistrique certain centripetal force by travel mechanism, are turned to using impeller cross grinding
Iron rust, paint and the oxide on frame surface, so as to obtain the workpiece surface for meeting roughness requirements, and then realize detection device
Installation.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of polishing dedusting manipulator provided in an embodiment of the present invention;
Fig. 2 is Fig. 1 left view;
Fig. 3 is the structural representation of workpiece polishing mechanism;
Fig. 4 is Fig. 3 left view;
Fig. 5 is the top view of dedusting top cover;
Fig. 6 is the side view of dedusting top cover;
Fig. 7 is the front view of fan;
In figure:1- bistriques, 2- collets, 3- chuck nuts, 4- fine tuning dish, 5- dedusting top covers, 6- fans, 7- dedusting shells,
8- dust-collecting boxes, 9- collecting pipes, 10- shields, 11- drive mechanisms, 12- impellers, 13- angular adjustment elements, 14- motors, 15- master
Axle, 16- annular boss, 17- exhaust outlets, 18- screen packs, 19- dedusting sealing rings.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1,2, one kind polishing dedusting manipulator, including workpiece polishing mechanism and dust arrester, the workpiece polishing mechanism includes
Bistrique 1 and the fine tuning dish 4 that can be connected with travel mechanism, the bistrique 1 include shield 10 and the leaf driven by drive mechanism 11
Wheel 12, the impeller 12 is arranged on the front end of bistrique 1, and the shield 10 is connected by the dust arrester of collecting pipe 9, the rear portion of bistrique 1
Angular adjustment element 13 is provided between drive mechanism 11 and fine tuning dish 4.Wherein, the impeller of bistrique selects a diameter of 30mm dark fund
Steel bands handle impeller.
Polishing dedusting manipulator provided by the invention compared with prior art, fine tuning dish is installed in travel mechanism, makes mill
The impeller fitting bogie surface of head, polishes bogie surface under the driving of drive mechanism, using dust arrester to production
Raw iron filings, dust etc. are collected, and ensure that the high efficiency and the feature of environmental protection of polishing.According to the contour structures feature of bogie,
By the angle of inclination of angular adjustment element regulation bistrique, certain centripetal force is provided by travel mechanism, utilizes impeller end face
Iron rust, paint and the oxide on bogie surface are ground, so as to obtain the workpiece surface for meeting roughness requirements.Utilize the present invention
The polishing dedusting work to 16 positions of bogie efficiently can be easily realized, and then meets the mounting condition of detection device,
Reach the purpose that detection device is accurately installed.Polishing operating efficiency can be improved using the present invention, greatly reduces operating personnel
Labor intensity, while safer environmental protection.
As a kind of preferred structure of the present invention, referring to Fig. 1,3, the drive mechanism 11 includes motor 14 and main shaft 15,
The output shaft of the motor 14 is coaxially fixed with main shaft 15, and the main shaft 15 is connected by interface arrangment with the shank of impeller 12, institute
The housing of motor 14 is stated by angular adjustment element 13 with fine tuning dish 4 to be connected.Wherein, the output shaft of motor 14 passes through with main shaft 15
Shaft coupling realizes connection.
Fig. 1-4 are referred to, the interface arrangment includes collet 2 and chuck nut 3, and the collet 2 is hollow
Tubulose and one end is provided with several axial gap, one end of collet 2 with gap is sleeved on the shank of impeller 12, described
Collet 2 is cylindrical to be provided with annular boss 16, and described endoporus one end of chuck nut 3 is provided with the groove coordinated with annular boss 16,
The other end of chuck nut 3 is provided with the internal thread coordinated with main shaft 15.The shank of impeller is provided with the raised shaft shoulder, collet
Endoporus is provided with the neck coordinated with the shaft shoulder, and collet is sleeved on into impeller shank, then by collet clamping in chuck nut
In, collet can be secured firmly to impeller shank with the rotation of chuck nut, impeller is possessed higher positioning precision
With axiality;The front-end of spindle is provided with blind hole, and collet afterbody can be placed in blind hole, using chuck nut by spring clip
Head connects with main shaft, and then realizes the connection of impeller and main shaft.
In one particular embodiment of the present invention, referring to Fig. 1,3, the angular adjustment element 13 be two or more and
The spring arranged up and down, upper springs tension, lower springs are pressurized.Spring can be arranged to 4, four springs are arranged on two
On the plectane at end, both ends plectane is affixed with electric machine casing and fine tuning dish respectively, and fine tuning dish uses top two extension springs, lower sections
The connected mode of two compression springs, to offset the Action of Gravity Field of workpiece polishing mechanism, now make the basic keep level of workpiece polishing mechanism.Profit
The connection of workpiece polishing mechanism and travel mechanism can be realized with 4 springs, but also a range of adaptive angle can be realized
Degree adjustment.Due to the contour structures feature of truck side frame, buffed surface may have certain angle of inclination, by this 4 bullets
Spring can make workpiece polishing mechanism in certain angle range tilt, while ensure the stability of polishing.
In one particular embodiment of the present invention, the dust arrester includes dedusting shell 7, dedusting top cover 5, dust-collecting box 8
With fan 6, the dedusting shell 7 is hollow cavity, and the dedusting top cover 5 is arranged on the top of dedusting shell 7 and dedusting top cover 5
Top is provided with exhaust outlet 17, to meet the requirement of outside air draft;The dust-collecting box 8 is arranged on the bottom of dedusting shell 7, the fan
6 are arranged on the middle and upper part in dedusting shell 7, and the dust-collecting box 8 is the open hollow housing in top and connected with collecting pipe 9, is connect
Touch top and be provided with screen pack 18, the dust-collecting box 8 is inserted into dedusting shell 7, and dust-collecting box employs the principle of drawer, dust-collecting box
Outside is provided with groove along its pull direction, and the inside of dedusting shell 7 is provided with the projection coordinated with groove, and the two mutual cooperation can be real
Be loaded pull of the existing dust-collecting box in dedusting shell.In the course of the work, dedusting top cover is covered on dedusting shell, flabellum 6 is at it
Rotation drives air-flow to arrange to the outside of dedusting top cover under the driving of motor, makes to form negative pressure, iron filings caused by polishing in dedusting shell 7
Entered by collecting pipe 9 in dedusting shell 7 in the presence of the suction, by screen pack 18 by iron dust filtration into dust-collecting box 8, do
Net air then discharge by the exhaust outlet of removing dust top cover 5.
As further prioritization scheme, the impeller 12 is surrounded by the dedusting sealing ring 19 being connected with shield 10, institute
State and be radially provided with several air inlets on the end face of dedusting sealing ring 19.Wherein, dedusting sealing ring has certain elasticity, its end face
The air inlet of certain amount and size is opened up, air is smoothly entered polishing region, and can make to be formed in shield and bear
Pressure, iron filings etc. are sucked in the dust-collecting box of deduster by collecting pipe.In addition, the import 90 of collecting pipe 9 is arranged under shield 10
Side, it is convenient by iron filings, dust inspiration collecting pipe caused by polishing;The collecting pipe 9 is flexible pipe, can facilitate random adjustment position.
Wherein, the dedusting shell has the structure of excellent sealing, and to ensure enough negative pressure, shell is provided with one at bistrique
Determine the dedusting sealing ring of air inlet, so as to establish inner chamber negative pressure, and air is entered polishing region at air inlet,
Drive iron filings etc. to enter in shield, enter back into collecting pipe and dust-collecting box.
At rolling stock inspection and repair scene, to realize the automation of bogie acoustic emission detection, it is necessary to pacify by travel mechanism
Dress polishing dedusting manipulator, 16 point positions for bogie being placed above acoustic emission sensor are polished, can not only be certainly
Dynamic polishing bogie outer wall, and dedusting function can be melted to the high efficiency and the feature of environmental protection that wherein, ensure that polishing.
Present invention also offers the detection device installation system containing said structure polishing dedusting manipulator.It is every containing upper
The detection device installation system of structure polishing dedusting manipulator is stated, within protection scope of the present invention.
Propose in the present invention using the thinking of manipulator to realize the whole process of polishing dedusting, and polishing is removed
Dirt function combines together, ensure that the high efficiency and the feature of environmental protection of polishing.Meanwhile sander is balanced in the form of spring fine tuning dish
Gravity and pressure suffered by structure, mechanism is easy and effective, and has adaptivity, can be adjusted in certain angle range tilt
It is whole, efficiently easily realize the polishing dedusting work to 16 positions of bogie.
Many details are elaborated in superincumbent description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by particular embodiments disclosed above.
Claims (8)
1. one kind polishing dedusting manipulator, it is characterised in that:Including workpiece polishing mechanism and dust arrester, the workpiece polishing mechanism includes bistrique
With the fine tuning dish that can be connected with travel mechanism, the bistrique includes shield and the impeller driven by drive mechanism, the impeller
Be arranged on bistrique front end, the shield is connected by collecting pipe with dust arrester, bistrique rear portion drive mechanism and fine tuning dish it
Between be provided with angular adjustment element.
2. polishing dedusting manipulator according to claim 1, it is characterised in that:The drive mechanism includes motor and master
Axle, the output shaft of the motor are coaxially fixed with main shaft, and the main shaft is connected by interface arrangment with impeller shank, the motor
Housing is connected by angular adjustment element with fine tuning dish.
3. polishing dedusting manipulator according to claim 2, it is characterised in that:The interface arrangment include collet and
Chuck nut, the collet is hollow tubular and one end is provided with several axial gap, and the spring clip with gap is first
End is sleeved on impeller shank, and the collet is cylindrical to be provided with annular boss, and described chuck nut endoporus one end is provided with and ring
The groove that shape boss coordinates, the chuck nut other end are provided with the internal thread coordinated with main shaft.
4. polishing dedusting manipulator according to claim 1, it is characterised in that:The angular adjustment element be two with
Spring that is upper and arranging up and down.
5. polishing dedusting manipulator according to claim 1, it is characterised in that:The dust arrester includes dedusting shell, removed
Dirt top cover, dust-collecting box and fan, the dedusting shell are hollow cavity, the dedusting top cover be arranged on dedusting cover top portion and
Exhaust outlet is provided with the top of dedusting top cover, the dust-collecting box is arranged on dedusting outer casing bottom, and the fan is arranged in dedusting shell
Middle and upper part;The dust-collecting box is the open hollow housing in top and connected with collecting pipe, and filtering is provided with the top of the dust-collecting box
Net.
6. polishing dedusting manipulator according to claim 3, it is characterised in that:The impeller is surrounded by be connected with shield
Dedusting sealing ring, be radially provided with several air inlets on the dedusting sealing ring end face.
7. polishing dedusting manipulator according to claim 6, it is characterised in that:The collecting pipe is flexible pipe.
8. the detection device installation system containing the polishing dedusting manipulator as described in claim any one of 1-7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711077810.7A CN107825263B (en) | 2017-11-06 | 2017-11-06 | Polishing dedusting manipulator and the detection device installation system containing the manipulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711077810.7A CN107825263B (en) | 2017-11-06 | 2017-11-06 | Polishing dedusting manipulator and the detection device installation system containing the manipulator |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107825263A true CN107825263A (en) | 2018-03-23 |
CN107825263B CN107825263B (en) | 2019-09-13 |
Family
ID=61654483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711077810.7A Active CN107825263B (en) | 2017-11-06 | 2017-11-06 | Polishing dedusting manipulator and the detection device installation system containing the manipulator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107825263B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109015218A (en) * | 2018-09-13 | 2018-12-18 | 泉州市信贵机械设备有限公司 | The intelligent grinding device of environment-friendly type machining |
CN110076671A (en) * | 2019-05-30 | 2019-08-02 | 深圳市优机智能技术有限公司 | A kind of DC plug coating grinding apparatus |
CN113427346A (en) * | 2021-07-15 | 2021-09-24 | 安徽新境界自动化技术有限公司 | Polishing processing technology for iron casting |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6085860A (en) * | 1983-10-12 | 1985-05-15 | Sumitomo Metal Ind Ltd | Displacement transmitting device and three- dimentioninal operating mechanism |
CN105710766A (en) * | 2016-04-07 | 2016-06-29 | 广东拓斯达科技股份有限公司 | Polishing device for dust removal manipulator |
CN205386771U (en) * | 2015-12-24 | 2016-07-20 | 浙江邻友汽车服务有限公司 | Dust -free polisher |
-
2017
- 2017-11-06 CN CN201711077810.7A patent/CN107825263B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6085860A (en) * | 1983-10-12 | 1985-05-15 | Sumitomo Metal Ind Ltd | Displacement transmitting device and three- dimentioninal operating mechanism |
CN205386771U (en) * | 2015-12-24 | 2016-07-20 | 浙江邻友汽车服务有限公司 | Dust -free polisher |
CN105710766A (en) * | 2016-04-07 | 2016-06-29 | 广东拓斯达科技股份有限公司 | Polishing device for dust removal manipulator |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109015218A (en) * | 2018-09-13 | 2018-12-18 | 泉州市信贵机械设备有限公司 | The intelligent grinding device of environment-friendly type machining |
CN109015218B (en) * | 2018-09-13 | 2020-06-26 | 泉州市信贵机械设备有限公司 | Environment-friendly intelligent grinding device for machining |
CN110076671A (en) * | 2019-05-30 | 2019-08-02 | 深圳市优机智能技术有限公司 | A kind of DC plug coating grinding apparatus |
CN110076671B (en) * | 2019-05-30 | 2023-12-19 | 深圳市优机智能技术有限公司 | DC plug cladding material equipment of polishing |
CN113427346A (en) * | 2021-07-15 | 2021-09-24 | 安徽新境界自动化技术有限公司 | Polishing processing technology for iron casting |
CN113427346B (en) * | 2021-07-15 | 2022-02-18 | 安徽新境界自动化技术有限公司 | Polishing processing technology for iron casting |
Also Published As
Publication number | Publication date |
---|---|
CN107825263B (en) | 2019-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107825263A (en) | Polishing dedusting manipulator and the detection device installation system containing the manipulator | |
CN102554725B (en) | Integrated cart of dust removal polisher | |
CN114012440B (en) | Automatic welding locomotive is used in production of marine wind power tower section of thick bamboo | |
CN205342750U (en) | Handheld portable dustless metal deruster | |
CN219426357U (en) | Grinding device for bearing machining | |
CN209260627U (en) | A kind of dust exhaust apparatus for the processing of fabrication facility floor dust | |
CN207899813U (en) | A kind of efficient instrument and meter dust exhaust apparatus | |
CN206825125U (en) | Bearing holder (housing, cover) special grinding apparatus | |
CN211585638U (en) | Pulse dust collector | |
CN208811731U (en) | Pore surface batch mill and dust exhaust apparatus | |
CN205888834U (en) | Anticorrosive end anticorrosive coating processing apparatus of steel pipe | |
CN207087577U (en) | A kind of steel plate production and processing polishes running gear with surface | |
CN205306904U (en) | Portable rotation type dust catcher | |
CN205659837U (en) | Environment -friendly canning CNG bottle spraying device | |
CN108436658A (en) | A kind of grinding device for auto parts machinery processing | |
CN211163548U (en) | Shot blasting and sand blasting device used inside pipeline | |
CN210304911U (en) | Pipeline dust removal equipment of building central air conditioner | |
CN209062875U (en) | A kind of shot-blasting machine for steelwork component | |
CN208697176U (en) | A kind of included sander for taking out dust-extraction unit of wet type | |
CN209239626U (en) | Filing sucking machine | |
CN207372857U (en) | A kind of building wall construction sander | |
CN205438078U (en) | Outer weld grinding device of steel pipe | |
CN205817559U (en) | A kind of cylindrical polishing machine | |
CN220498203U (en) | Dust collection device with efficient collection function for two-shield welding robot | |
CN107756183B (en) | Bogie acoustic emission sensor installation system |
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 |