CN216661463U - Photovoltaic trade basket of flowers carries work or material rest - Google Patents

Photovoltaic trade basket of flowers carries work or material rest Download PDF

Info

Publication number
CN216661463U
CN216661463U CN202123314191.3U CN202123314191U CN216661463U CN 216661463 U CN216661463 U CN 216661463U CN 202123314191 U CN202123314191 U CN 202123314191U CN 216661463 U CN216661463 U CN 216661463U
Authority
CN
China
Prior art keywords
conveying
bracket
basket
positioning
synchronizing
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
CN202123314191.3U
Other languages
Chinese (zh)
Inventor
冼志军
庄均宝
李宝玉
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.)
Guangzhou Lanhai Robot System Co ltd
Original Assignee
Guangzhou Lanhai Robot System 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 Guangzhou Lanhai Robot System Co ltd filed Critical Guangzhou Lanhai Robot System Co ltd
Priority to CN202123314191.3U priority Critical patent/CN216661463U/en
Application granted granted Critical
Publication of CN216661463U publication Critical patent/CN216661463U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Handcart (AREA)

Abstract

The utility model provides a basket conveying rack in the photovoltaic industry, which comprises a rack and more than one conveying device; the fixed seat is arranged on the transverse support, and the conveying device is arranged on the fixed seat through the moving piece; changing the horizontal height of the moving member by rotating the adjusting member; the horizontal height of the conveying device; through adjusting conveyor level for different conveyor's level can keep unanimous, then when the basket of flowers moves between different conveyor, can realize the steady removal, when avoiding the basket of flowers to move between the device that the level is different, receives the impact and leads to the silicon chip to damage. Meanwhile, the height adjusting components are arranged at two ends of the conveying device; through adjusting the moving piece for conveyor's both ends are in same water flat line, further promote the stability of transporting the basket of flowers.

Description

Photovoltaic trade basket of flowers carries work or material rest
Technical Field
The utility model relates to the technical field of silicon wafer transportation, in particular to a basket of flowers conveying rack in the photovoltaic industry.
Background
The flower basket conveying process is completed through a conveying belt device; in a production line, the flower baskets need to be conveyed to different stations, and further the flower baskets need to be conveyed among different conveyor belt devices, but certain precision difference exists among the conveyor belt devices; the horizontal heights of different conveyor belt devices are not necessarily on the same horizontal line; the flower basket is used for loading silicon wafers which are fragile products; the horizontal height of the existing conveyor belt device cannot be adjusted; when the baskets move between adjacent conveyor belts with different horizontal heights, the baskets are easily impacted, and then the silicon wafers are damaged.
Disclosure of Invention
The utility model provides a photovoltaic industry flower basket conveying material rack capable of adjusting the height of a conveying device.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a basket conveying rack in the photovoltaic industry comprises a rack and more than one conveying device; the conveying device is arranged on the rack through the height adjusting assembly; more than two groups of height adjusting components are arranged; the frame comprises two transverse brackets; one end of the conveying device is arranged on a transverse bracket through a height adjusting assembly; the other end of the conveying device is arranged on the other transverse bracket through another height adjusting component; the height adjusting assembly comprises a fixed seat and an adjusting device, the fixed seat is mounted on the transverse bracket, and the adjusting device is movably arranged on the fixed seat; the adjusting device comprises a moving piece, a connecting piece and an adjusting piece; the connecting piece is used for connecting the conveying device and the moving piece; the moving part is movably arranged on the fixed seat; the moving member includes an adjustment aperture; the adjusting piece is in threaded connection with the adjusting hole and is used for penetrating through the adjusting hole to be in contact with the transverse bracket; rotating the adjusting member changes the height position of the moving member on the adjusting member.
According to the arrangement, the fixed seat is arranged on the transverse support, and the conveying device is arranged on the fixed seat through the moving piece; changing the horizontal height of the moving member by rotating the adjusting member; the horizontal height of the conveying device; through adjusting conveyor level for different conveyor's level can keep unanimous, and then the basket of flowers can realize stably removing when removing between different conveyor, receives the impact and leads to the silicon chip to damage when avoiding the basket of flowers to remove between the device that the level is different. Meanwhile, the height adjusting components are arranged at two ends of the conveying device; through adjusting the moving piece for conveyor's both ends are in same water flat line, further promote the stability of transporting the basket of flowers.
Furthermore, the fixed seat also comprises a positioning waist hole; the adjusting device comprises a positioning device; the moving part also comprises a moving positioning hole; the positioning device is connected with the movable positioning hole and the positioning waist hole; the positioning device fixes the moving part on the fixed seat.
According to the arrangement, the moving piece is fixed through the matching of the positioning waist hole and the moving positioning hole; when the moving member is adjusted to a proper height, the positioning device fixes the moving member, and the horizontal height of the conveying device is prevented from changing when the flower basket is conveyed.
Further, the positioning device comprises a positioning bolt and a positioning nut; the positioning bolt penetrates through the movable positioning hole and the positioning waist hole to be connected with the positioning nut. The moving piece is fixed through the positioning bolt and the positioning nut, and the structure is simple.
Further, the conveying device comprises a conveying bracket and a synchronizing device; the synchronizing device comprises a first synchronizing wheel, a second synchronizing wheel, a first conveying synchronizing shaft, a first synchronizing bracket and a second synchronizing bracket; the number of the first synchronizing wheel, the second synchronizing wheel and the first synchronizing bracket is two; two groups of second synchronous supports are arranged; the two first synchronous supports are arranged at one end of the conveying support, and the two groups of second synchronous supports are arranged at the other end of the conveying support; a first synchronizing wheel is mounted on a first synchronizing bracket, and a second synchronizing wheel is mounted on a group of second synchronizing brackets; the first conveying synchronizing shaft passes through the first synchronizing wheel and is connected with the first synchronizing bracket; a synchronous belt is sleeved between the second synchronous wheel and the first synchronous wheel; a conveying driven gear is arranged on the first conveying synchronous shaft; the moving piece is connected with the conveying support.
According to the arrangement, when the conveying driven gear rotates, the conveying driven gear drives the first conveying synchronous shaft to rotate, and the first conveying synchronous shaft drives the first synchronous wheel to rotate; the first synchronous wheel drives the synchronous belt to move, so that the flower basket is conveyed; when the conveying device is used, the conveying device is driven to act by the meshing of the driving gear of the driving motor and the conveying driven gear.
Furthermore, the conveying device further comprises a limiting part, and the limiting part is installed on the conveying support and is close to the second synchronous support. Limiting the flower basket; the flower basket is prevented from being separated from the conveying device.
Furthermore, conveying guide parts are arranged on two sides of the conveying support; the level of the conveying guide is higher than that of the timing belt. Guiding the flower basket through the conveying guide piece so that the flower basket moves along the conveying direction of the conveying device; and can avoid the flower basket from separating from the conveying device when moving.
Further, the rack comprises an upper layer bracket and a lower layer bracket, and two transverse brackets are respectively arranged on the upper layer bracket and the lower layer bracket; the conveying device is arranged on the upper layer bracket and the lower layer bracket through the height adjusting assembly.
Above setting, through setting up upper support and lower floor's support, the capacity of work or material rest is carried in the increase for carry the work or material rest to hold more baskets of flowers.
Further, the device also comprises an upper layer cover plate and a lower layer cover plate; more than one upper cover plate and lower cover plate are arranged; the upper layer cover plate is arranged on the upper layer bracket, and an upper layer accommodating space is formed by surrounding the adjacent upper layer cover plate; the lower floor apron is installed on lower floor's support, and adjacent lower floor apron is around forming lower floor's accommodation space.
Above setting, through upper apron and lower floor's apron, play the guard action to the basket of flowers in upper accommodation space and the lower floor accommodation space respectively, reduce the risk that the silicon chip on the basket of flowers was strikeed.
Further, the lower layer bracket is provided with a fixing hole; the bottom of the frame is connected with a movable wheel.
Above setting, when needing to remove the transport work or material rest, through mounting and the fixed orifices on the AGV dolly, drive through the AGV dolly and carry the work or material rest to remove.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a side view of the present invention with the upper cover plate and the upper cover plate removed.
Fig. 3 is a perspective view of the frame of the present invention.
Fig. 4 is a perspective view of the conveyor mounted to the cross-brace by the height adjustment assembly.
Fig. 5 is a schematic view of the disassembled conveying device, the height adjusting assembly and the transverse bracket.
FIG. 6 is a schematic view of the height adjustment assembly in cooperation with a delivery cartridge.
Figure 7 is a perspective view of the height adjustment assembly mounted on the lateral bracket.
FIG. 8 is a schematic view of the height adjustment assembly and the lateral bracket after disassembly.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-8; a basket conveying rack in the photovoltaic industry comprises a rack 1 and more than one conveying device 2; the frame 1 comprises an upper layer bracket 11, a lower layer bracket 12 and a transverse bracket 13; two transverse brackets 13 are arranged on the upper layer bracket 11 and the lower layer bracket 12; the conveyor 2 is mounted on a transverse support 13 by means of a height adjustment assembly 3. Through setting up upper support 11 and lower floor's support 12, conveyor installs on upper support 11 and lower floor's support 12, carries the work or material rest to form double-deck transport structure, increases the capacity of carrying the work or material rest for carry the work or material rest to hold more baskets of flowers.
More than two groups of height adjusting components 3 are arranged; in this embodiment, one conveyor is connected to both sets of height adjustment assemblies. One end of the conveying device 2 is arranged on a transverse bracket 13 through a height adjusting component 3; the other end of the conveyor 2 is mounted on another transverse support 13 by means of another height adjustment assembly 3. The height adjusting assembly 3 comprises a fixed seat 31 and an adjusting device, the fixed seat 31 is installed on the transverse bracket 13, and the adjusting device is movably arranged on the fixed seat 31; the adjusting device comprises a moving member 32, a connecting member 33 and an adjusting member (not shown in the figure); in this embodiment, two connecting members 33 are provided, one end of the moving member 32 is connected to one connecting member 33, and the other end of the moving member 32 is connected to the other connecting member 33.
The connecting piece 33 is used for connecting the conveying device 2 and the moving piece 32; the moving member 32 is movably disposed on the fixed base 31. The moving member 32 includes an adjustment hole 321; in this embodiment, the adjusting member is a bolt, and the adjusting hole 321 is a threaded hole. The adjusting piece is in threaded connection with the adjusting hole 321 and passes through the adjusting hole 321 to be in contact with the transverse bracket 13; rotating the adjustment member changes the height position of the moving member 32 on the adjustment member.
The fixed seat 31 is arranged on the transverse bracket 13, and the conveying device 2 is arranged on the fixed seat 31 through the moving piece 32; changing the level of the moving member 32 by rotating the adjusting member; the level of the conveyor 2; through adjusting 2 level to conveyor for different conveyor 2's level can keep unanimous, and then the basket of flowers can realize the steady removal when removing between different conveyor 2, receives the impact when avoiding the basket of flowers to remove between the device that the level is different, leads to the silicon chip to damage. Meanwhile, the height adjusting components 3 are arranged at two ends of the conveying device 2; through adjusting moving member 32 for the both ends of conveyor 2 are in same water flat line, further promote the stability of transporting the basket of flowers.
A positioning groove 322 is recessed from one side of the moving member 32 close to the fixed seat 31 to one side far away from the fixed seat 31; the fixed seat 31 is arranged in the positioning groove 322, and a positioning part 323 is arranged on the top of the moving part 31 in an upward protruding manner; the fixed seat 31 is jointed with the positioning part 323 and the positioning groove 322; the fixed seat 31 further comprises a positioning waist hole 311; the adjustment means comprise positioning means (not shown in the figures); the moving member 32 further includes a moving positioning hole 324; the positioning waist hole 311 is arranged on the side surface of the fixed seat 31; the movement positioning hole 324 is provided at a side surface of the positioning portion 323; the positioning device is connected with the movable positioning hole 324 and the positioning waist hole 311; the positioning device fixes the moving member 32 on the fixed base 31. The positioning device comprises a positioning bolt (not shown in the figure); and a positioning nut (not shown); the positioning bolt passes through the movable positioning hole 324 and the positioning waist hole 311 to be connected with the positioning nut. The moving piece 32 is fixed through the positioning bolt and the positioning nut, and the structure is simple.
The fixing base 31 is arranged in the positioning groove 322, and the fixing base is attached to the positioning portion 323 and the positioning groove 322, so that the contact area between the fixing base and the moving member is increased, and the connection strength between the fixing base and the moving member is improved. The moving piece 32 is fixed by matching the positioning waist hole 311 and the moving positioning hole 324; when the moving member 32 is adjusted to a proper height, the positioning device fixes the moving member 32, so as to avoid the change of the horizontal height of the conveying device 2 during the conveyance of the flower basket.
The conveying device 2 comprises a conveying bracket 21 and a synchronizing device 22; two conveying supports 21 are arranged; a first delivery carriage 211 and a second delivery carriage 212, respectively; the height adjusting assembly 3 is positioned between the first and second conveying brackets 211 and 212; a connecting member 33 is connected to the first conveying bracket 211; another connecting member 33 is connected to the second transporting support 212. In this embodiment, the first conveying support 21 is provided with a first groove 213 on the side; the side surface of the second conveying bracket is provided with a second groove 214; the connecting piece 33 is provided with a convex part 331 protruding outwards; the projection 331 extends into the first recess 213 and the second recess 214. The connecting piece 33 is connected with the side surface of the conveying bracket 1, and the conveying device is not influenced to convey the flower basket.
The synchronizing device 22 includes a first synchronizing wheel 221, a second synchronizing wheel 222, a first conveying synchronizing shaft 223, a first synchronizing carrier 224, and a second synchronizing carrier 225; two first synchronizing wheels 221, two second synchronizing wheels 222 and two first synchronizing brackets 224 are arranged; two sets of second synchronizing brackets 225 are provided; a first synchronizing bracket 224 is installed at one end of the first transferring bracket 211, and another first synchronizing bracket 224 is installed at one end of the second transferring bracket 212; one set of second synchronizing brackets 225 is mounted at the other end of the first transferring bracket, and the other set of second synchronizing brackets 225 is mounted at the other end of the second transferring bracket. In this embodiment, there are two of the second synchronizing carriers in one set.
A first sync wheel 221 is mounted on a first sync bracket 224, a second sync wheel 222 is mounted on a set of second sync brackets 225; the first conveying synchronizing shaft 223 is connected with the two first synchronizing wheels 221; a synchronous belt 226 is sleeved between the second synchronous wheel 222 and the first synchronous wheel 221; a conveyance driven gear 2231 is attached to the first conveyance synchronizing shaft 223; the moving member 32 is connected to the delivery bracket 21.
When the conveying driven gear 2231 rotates, the conveying driven gear 2231 drives the first conveying synchronous shaft 223 to rotate, and the first conveying synchronous shaft 223 drives the first synchronous wheel 221 to rotate; the first synchronous wheel 221 drives the synchronous belt to move, so that the flower basket is conveyed; when in use, the driving gear of the driving motor is engaged with the conveying driven gear 2231 to drive the conveying device 2 to operate.
The conveying device 2 further includes a limiting member 23, and the limiting member 23 is mounted on the conveying support 21 and disposed close to the second synchronizing support 225. Limiting the flower basket; avoiding the flower basket from separating from the conveying device 2.
The delivery device further comprises a delivery guide 227; the conveying guide 227 is provided with two conveying guides, and more than one supporting plate 215 is arranged on one side of each of the first conveying bracket 211 and the second conveying bracket 213 away from the height adjusting assembly; the conveying guides 227 are respectively mounted on the supporting plate 215 at the side of the first conveying bracket 211 and the supporting plate 215 at the side of the second conveying bracket 213; the conveying guide 227 has a level higher than that of the timing belt 226. The basket is guided by the conveying guide 227 so that the basket moves in the conveying direction of the conveying device 2; and can avoid the flower basket from separating from the conveying device 2 when moving.
The conveying rack further comprises an upper-layer cover plate 13 and a lower-layer cover plate 14; more than one upper cover plate 13 and lower cover plate 14 are arranged; the upper layer cover plate 13 is arranged on the upper layer bracket 11, and an upper layer accommodating space 15 is formed by surrounding the adjacent upper layer cover plate 13; the lower cover plate 14 is mounted on the lower support 12, and the adjacent lower cover plate 14 surrounds to form a lower accommodating space 16. Through upper cover plate 13 and lower floor's apron 14, play the guard action to the basket of flowers in upper accommodation space 15 and the lower floor accommodation space 16 respectively, reduce the risk that the silicon chip on the basket of flowers was strikeed.
The lower layer bracket 12 is provided with a fixing hole 17; the bottom of the frame 1 is connected with a moving wheel 18. When the material conveying frame needs to be moved, the AGV trolley drives the material conveying frame to move through the fixing piece and the fixing hole on the AGV trolley.

Claims (9)

1. The utility model provides a work or material rest is carried to photovoltaic trade basket of flowers which characterized in that: comprises a frame and more than one conveying device; the conveying device is arranged on the rack through the height adjusting assembly; more than two groups of height adjusting components are arranged; the frame comprises two transverse brackets; one end of the conveying device is arranged on a transverse bracket through a height adjusting assembly; the other end of the conveying device is arranged on the other transverse bracket through the other height adjusting component; the height adjusting assembly comprises a fixed seat and an adjusting device, the fixed seat is mounted on the transverse bracket, and the adjusting device is movably arranged on the fixed seat; the adjusting device comprises a moving piece, a connecting piece and an adjusting piece; the connecting piece is used for connecting the conveying device and the moving piece; the moving part is movably arranged on the fixed seat; the moving member includes an adjustment aperture; the adjusting piece is in threaded connection with the adjusting hole and is used for penetrating through the adjusting hole to be in contact with the transverse bracket; rotating the adjusting member changes the height position of the moving member on the adjusting member.
2. The photovoltaic industry basket of flowers carries work or material rest according to claim 1, characterized in that: the fixing seat also comprises a positioning waist hole; the adjusting device comprises a positioning device; the moving piece also comprises a moving positioning hole; the positioning device is connected with the movable positioning hole and the positioning waist hole; the positioning device fixes the moving part on the fixed seat.
3. The photovoltaic industry basket of flowers carries work or material rest according to claim 2, characterized in that: the positioning device comprises a positioning bolt and a positioning nut; the positioning bolt penetrates through the movable positioning hole and the positioning waist hole to be connected with the positioning nut.
4. The photovoltaic industry basket of flowers carries work or material rest according to claim 1, characterized in that: the conveying device comprises a conveying bracket and a synchronizing device; the synchronizing device comprises a first synchronizing wheel, a second synchronizing wheel, a first conveying synchronizing shaft, a first synchronizing bracket and a second synchronizing bracket; the number of the first synchronizing wheel, the second synchronizing wheel and the first synchronizing bracket is two; two groups of second synchronous supports are arranged; the two first synchronous supports are arranged at one end of the conveying support, and the two groups of second synchronous supports are arranged at the other end of the conveying support; a first synchronizing wheel is mounted on a first synchronizing bracket, and a second synchronizing wheel is mounted on a group of second synchronizing brackets; the first conveying synchronous shaft passes through the first synchronous wheel and is connected with the first synchronous support; a synchronous belt is sleeved between the second synchronous wheel and the first synchronous wheel; a conveying driven gear is arranged on the first conveying synchronous shaft; the moving piece is connected with the conveying support.
5. The photovoltaic industry basket of flowers carries work or material rest according to claim 4, characterized in that: the conveying device further comprises a limiting piece, and the limiting piece is installed on the conveying support and is close to the second synchronous support.
6. The photovoltaic industry basket of flowers carries work or material rest according to claim 5, characterized in that: conveying guide parts are arranged on two sides of the conveying support; the level of the conveying guide is higher than that of the timing belt.
7. The photovoltaic industry basket of flowers carries work or material rest according to claim 1, characterized in that: the rack comprises an upper layer bracket and a lower layer bracket, and the upper layer bracket and the lower layer bracket are respectively provided with two transverse brackets; the conveying device is arranged on the upper layer bracket and the lower layer bracket through the height adjusting assembly.
8. The photovoltaic industry basket of flowers carries work or material rest according to claim 7, characterized in that: the device also comprises an upper layer cover plate and a lower layer cover plate; more than one upper cover plate and lower cover plate are arranged; the upper layer cover plate is arranged on the upper layer bracket, and an upper layer accommodating space is formed by surrounding the adjacent upper layer cover plate; the lower floor apron is installed on lower floor's support, and adjacent lower floor apron is around forming lower floor's accommodation space.
9. The photovoltaic industry basket of flowers carries work or material rest according to claim 7, characterized in that: the lower layer bracket is provided with a fixing hole; the bottom of the frame is connected with a movable wheel.
CN202123314191.3U 2021-12-27 2021-12-27 Photovoltaic trade basket of flowers carries work or material rest Active CN216661463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123314191.3U CN216661463U (en) 2021-12-27 2021-12-27 Photovoltaic trade basket of flowers carries work or material rest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123314191.3U CN216661463U (en) 2021-12-27 2021-12-27 Photovoltaic trade basket of flowers carries work or material rest

Publications (1)

Publication Number Publication Date
CN216661463U true CN216661463U (en) 2022-06-03

Family

ID=81795957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123314191.3U Active CN216661463U (en) 2021-12-27 2021-12-27 Photovoltaic trade basket of flowers carries work or material rest

Country Status (1)

Country Link
CN (1) CN216661463U (en)

Similar Documents

Publication Publication Date Title
CN110421441B (en) Glass grinding system
CN106629088B (en) A kind of truss robot stacking work station structure and its application method
CN104960326A (en) Full-automatic glass panel printing machine
CN112222820B (en) Tear film assembly integral type assembly line
CN108502543B (en) Substrate transmission device and method
CN204977749U (en) Full -automatic glass panels printing machine
CN110155663B (en) Movable plug-in feeding device and positioning and feeding process thereof
CN113083619A (en) Dispensing equipment
CN217086544U (en) Conveying and feeding device for flat plate elements and wafer ring mounting device
CN216661463U (en) Photovoltaic trade basket of flowers carries work or material rest
CN215363794U (en) Wafer frame loading attachment for chip package
JP5633487B2 (en) Equipment for processing both sides of glass plates
CN212461636U (en) Feeding device of solar cell sheet rewinding machine
CN115571652A (en) Silicon wafer conveying mechanism
CN109979870B (en) Automatic burst feed mechanism of silicon wafer
CN114291326B (en) Plastic uptake packing plant
CN216661464U (en) Photovoltaic trade silicon chip material dispatching machine
CN211350604U (en) Automatic wafer loading and unloading device
CN216671588U (en) Photovoltaic trade basket of flowers memory machine
CN113910109A (en) Wafer sand blasting double-feeding machine
CN209981190U (en) Silicon wafer basket reversing device
CN215625052U (en) Material transporting device and cleaning system
CN214848547U (en) Silicon wafer positioning mechanism
CN218200903U (en) Backflow conveying device for production line
CN216623048U (en) Laser navigation's mobile robot control system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant