CN109095182B - Lifting and conveying device for shower room glass - Google Patents

Lifting and conveying device for shower room glass Download PDF

Info

Publication number
CN109095182B
CN109095182B CN201811009493.XA CN201811009493A CN109095182B CN 109095182 B CN109095182 B CN 109095182B CN 201811009493 A CN201811009493 A CN 201811009493A CN 109095182 B CN109095182 B CN 109095182B
Authority
CN
China
Prior art keywords
lifting
plate
sliding
fixedly arranged
conveying
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
CN201811009493.XA
Other languages
Chinese (zh)
Other versions
CN109095182A (en
Inventor
施金龙
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.)
Irvin Sanitary Ware Co ltd
Original Assignee
Irvin Sanitary Ware 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 Irvin Sanitary Ware Co ltd filed Critical Irvin Sanitary Ware Co ltd
Priority to CN201811009493.XA priority Critical patent/CN109095182B/en
Publication of CN109095182A publication Critical patent/CN109095182A/en
Application granted granted Critical
Publication of CN109095182B publication Critical patent/CN109095182B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/061Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames

Landscapes

  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Intermediate Stations On Conveyors (AREA)

Abstract

The invention relates to a lifting and conveying device for shower room glass, which comprises a left bracket and a right bracket; the left bracket and the right bracket are connected through a partition board, and a containing area for lifting glass to move is formed between the left bracket and the right bracket; the left bracket and the right bracket are fixedly provided with conveying rails, and the conveying rails are connected with at least two lifting sliding mechanisms in a sliding way; the two lifting sliding mechanisms correspond to the accommodating areas in position; the glass lifting shower room is simple in structure and convenient to use, and the glass lifting shower room is lifted by moving the lifting sliding mechanism on the conveying track, so that the transportation process is more reasonable and convenient.

Description

Lifting and conveying device for shower room glass
Technical Field
The invention belongs to the technical field of shower room devices, and particularly relates to a lifting and conveying device for shower room glass.
Background
The shower room glass is required to be processed through a plurality of working procedures in the manufacturing process, and often the transfer among the working procedures is required, wherein the shower room glass placed on the turnover frame is required to be carried on a conveying line by hands, or the whole turnover frame is required to be carried into a frame by using the existing shower room glass conveyor. The heights of the turnover frame, the plate carrier and the conveying belt are not consistent due to the size difference of the plates, and the manual adjustment is needed, so that the operation is inconvenient; the whole intelligent degree is low, and the work efficiency is poor.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the lifting and conveying device for the shower room glass, which has the advantages of simple structure, convenience in use, short operation time and high working efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a lifting and conveying device for shower room glass comprises a left bracket and a right bracket; the left bracket and the right bracket are connected through a partition board, and a containing area for lifting glass to move is formed between the left bracket and the right bracket; the left bracket and the right bracket are fixedly provided with conveying rails, and the conveying rails are connected with at least two lifting sliding mechanisms in a sliding way; the two lifting sliding mechanisms correspond to the accommodating areas.
As a preferable scheme of the invention, two lifting sliding mechanisms are arranged symmetrically on the conveying track.
As a preferable mode of the invention, the lifting sliding mechanism comprises sliding devices which are respectively connected to the conveying rails in a sliding way; a positioning shaft is connected between the two sliding devices, and a lifting device is sleeved on the positioning shaft.
As a preferable scheme of the invention, the sliding device comprises a connecting plate and a positioning seat fixedly arranged on the connecting plate; the positioning shaft is sleeved on the positioning seat, and the bottom of the connecting plate is fixedly provided with at least one connecting lantern ring matched with the conveying track; the connecting sleeve ring is internally provided with a connecting hole which is sleeved on the conveying track, so that the connecting sleeve ring can slide left and right along the conveying track.
As a preferable scheme of the invention, the positioning seat is provided with a limit screw for limiting the rotation of the positioning shaft; the limit screw passes through the locating seat to prop against the locating shaft.
As a preferable scheme of the invention, the lifting device comprises a connecting sleeve, a mounting plate and a lifting plate fixedly arranged at the front end of the mounting plate; the connecting sleeve is fixedly arranged at the rear end of the mounting plate and sleeved on the positioning shaft; sliding shaft sleeves are arranged on two sides of the lifting plate and fixedly arranged on the mounting plate, and lifting rods are sleeved in the sliding shaft sleeves; a lifting driving device for the lifting rod to move up and down is arranged in the lifting plate.
As a preferable scheme of the invention, the sliding shaft sleeve is provided with two pairs which are symmetrically and equidistantly arranged on the mounting plate.
As a preferable scheme of the invention, the lifting plate is in a U-shaped body, a U-shaped groove is formed, and the lifting driving device is positioned in the U-shaped groove of the lifting plate.
As a preferable scheme of the invention, the lifting rod is in a U-shaped body, the top of the lifting rod is connected with the pushing plate, the bottom of the pushing plate is fixedly provided with the conveying belt pressing plate, and the conveying belt pressing plate is connected with the lifting driving device.
As a preferable scheme of the invention, the lifting driving device comprises an upper bearing seat and a lower bearing seat which are fixedly arranged on the inner side wall of the lifting plate; an upper bearing and a lower bearing are respectively connected to the upper bearing seat and the lower bearing seat, and an upper gear and a lower gear are respectively sleeved on the upper bearing seat and the lower bearing seat; the upper gear and the lower gear are connected through a conveying belt, a conveying belt pressing plate is connected to the conveying belt, a driving motor for driving the lower gear to rotate is connected to the outer side of the lifting plate, and the driving motor is fixedly arranged on the mounting plate.
The beneficial effects of the invention are as follows:
1. the invention has simple structure and convenient use, and the glass in the shower room is lifted by the lifting sliding mechanism which is connected with the conveying track, so that the transportation process is more reasonable and convenient;
2. the lifting of the lifting rod is controlled by the driving motor, so that the consistency of the horizontal plane of the lifting rod can be conveniently and quickly maintained, and the glass in the shower room can be transported;
3. the U-shaped lifting rod is arranged to lift and convey the glass of the shower room, so that the labor is saved, the labor efficiency is improved, and the working time is saved;
4. the width between the lifting rods can be adjusted according to actual needs, the distance between the two lifting sliding mechanism settings can also be adjusted according to actual needs, and therefore the lifting device can be suitable for lifting and conveying shower room glass of different specifications, and is wide in application range.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a lift slide mechanism of the present invention;
FIG. 3 is a view of the lift slide mechanism of the present invention in use;
reference numerals in the drawings: left support 1, right support 2, partition plate 3, accommodation area 4, conveying track 5, lifting slide mechanism 6, slider 7, positioning shaft 8, lifting device 9, connection plate 10, positioning seat 11, connection collar 12, limit screw 13, connection hole 14, connection sleeve 20, mounting plate 21, lifting plate 22, u-shaped groove 22-1, sliding shaft sleeve 23, lifting rod 24, lifting drive device 30, upper bearing seat 31, lower bearing seat 32, upper bearing 33, lower bearing 34, upper gear 35, lower gear 36, drive motor 37, push plate 38, conveying belt press plate 39, conveying belt 40.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples: as shown in fig. 1 to 3, a lifting and conveying device for shower room glass comprises a left bracket 1 and a right bracket 2; the left bracket 1 and the right bracket 2 are connected through a partition plate 3, and a containing area 4 for lifting glass to move is formed between the left bracket 1 and the right bracket 2; the left bracket 1 and the right bracket 2 are fixedly provided with a conveying track 5, and at least two lifting sliding mechanisms 6 are connected to the conveying track 5 in a sliding manner; two lifting sliding mechanisms 6 correspond to the accommodating areas 4 in position; the invention has simple structure and convenient use, and the glass in the shower room is lifted by the lifting sliding mechanism 6 which is connected with the conveying track, so that the transportation process is more reasonable and convenient;
the lifting sliding mechanisms 6 are symmetrically arranged on the conveying track 5; the distance between the two lifting sliding mechanisms 6 can be adjusted according to actual needs, so that the lifting sliding mechanism can be suitable for lifting and conveying shower room glass of different specifications, is wide in application range, and can be used for conveniently lifting the shower room glass, and the lifting sliding mechanisms 6 can be 3 or more than 3.
The lifting sliding mechanism 6 comprises sliding devices 7 which are respectively connected to the conveying track 5 in a sliding way; a positioning shaft 8 is connected between the two sliding devices 7, and a lifting device 9 is sleeved on the positioning shaft 8; the sliding device 7 comprises a connecting plate 10 and a positioning seat 11 fixedly arranged on the connecting plate 10; the positioning shaft 8 is sleeved on the positioning seat 11, and at least one connecting lantern ring 12 matched with the conveying track 5 is fixedly arranged at the bottom of the connecting plate 10; a connecting hole 14 is formed in the connecting lantern ring 12, and the connecting hole 14 is sleeved on the conveying track 5, so that the connecting lantern ring 12 slides left and right along the conveying track 5; by adopting the scheme, the lifting device 9 can slide along the conveying track 5, so that the conveying stability of the shower room glass on the lifting device 9 is ensured. The positioning seat 11 is provided with a limit screw 13 for limiting the rotation of the positioning shaft 8; the limit screw 13 passes through the positioning seat 11 to prop against the positioning shaft 8; the position of the positioning shaft 8 on the positioning seat 11 can be adjusted according to the requirement, so that the stable lifting of the lifting device 9 is further ensured.
The lifting device 9 comprises a connecting sleeve 20, a mounting plate 21 and a lifting plate 22 fixedly arranged at the front end of the mounting plate 21; the connecting sleeve 20 is fixedly arranged at the rear end of the mounting plate 21 and sleeved on the positioning shaft 8; sliding shaft sleeves 23 are arranged on two sides of the lifting plate 22, the sliding shaft sleeves 23 are fixedly arranged on the mounting plate 21, and lifting rods 24 are sleeved in the sliding shaft sleeves 23; a lift drive 30 for moving the lift bar 24 up and down is provided in the lift plate 22.
The lifting rod 24 is a U-shaped body, the top of the lifting rod 24 is connected with a push plate 38, a conveyor belt pressing plate 39 is fixedly arranged at the bottom of the push plate 38, and the conveyor belt pressing plate 39 is connected with the lifting driving device 30; a U-shaped lifting rod 24 is arranged to lift and convey the glass of the shower room, so that manpower is saved, the labor efficiency is improved, and the working time is saved.
The protection pad 27 has been set firmly to lift bar 24 bottom inboard, and at the in-process of promoting, shower room glass laminating is on protection pad 27, has avoided shower room glass direct with lift bar 24 contact, has guaranteed the security that glass was carried, simultaneously, protection pad 27 also has the cushioning effect, has reduced the hard power contact of lift bar 24 and shower room glass.
The width of the lifting rods 24 is larger than the width of the shower room glass to be lifted, the width between the lifting rods can be adjusted according to actual needs, and therefore the lifting rods can be suitable for lifting and conveying the shower room glass with different specifications, and the application range is wide.
The sliding shaft sleeves 23 are provided with two pairs, and are symmetrically and equidistantly arranged on the mounting plate 21; by adopting the scheme, the stability and the safety of glass lifting are further ensured.
The lifting plate 22 is in a U-shaped body, a U-shaped groove 22-1 is formed, and the lifting driving device 30 is positioned in the U-shaped groove 22-1 of the lifting plate 22; the lifting driving device 30 comprises an upper bearing seat 31 and a lower bearing seat 32 which are fixedly arranged on the inner side wall of the lifting plate 22; an upper bearing 33 and a lower bearing 34 are respectively connected to the upper bearing seat 31 and the lower bearing seat 32, and an upper gear 35 and a lower gear 36 are respectively sleeved on the upper bearing 33 and the lower bearing 34; the upper gear 35 and the lower gear 36 are connected through a conveyer belt 40, a conveyer belt pressing plate 39 is connected to the conveyer belt 40, a driving motor 37 for driving the lower gear 36 to rotate is connected to the outer side of the lifting plate 22, and the driving motor 37 is fixedly arranged on the mounting plate 21; the lifting of the lifting rod is controlled by the driving motor 37, so that the consistency of the horizontal plane of the lifting rod can be conveniently and quickly maintained, and the glass in the shower room can be transported;
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: left bracket 1, right bracket 2, partition plate 3, accommodation area 4, conveying rail 5, lifting slide mechanism 6, slide device 7, positioning shaft 8, lifting device 9, connection plate 10, positioning seat 11, connection collar 12, limit screw 13, connection hole 14, connection sleeve 20, mounting plate 21, lifting plate 22, u-shaped groove 22-1, sliding shaft sleeve 23, lifting rod 24, lifting drive device 30, upper bearing housing 31, lower bearing housing 32, upper bearing 33, lower bearing 34, upper gear 35, lower gear 36, drive motor 37, push plate 38, conveyor belt press plate 39, conveyor belt 40, etc., but the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims (1)

1. The utility model provides a shower room glass's promotion conveyor which characterized in that: comprises a left bracket (1) and a right bracket (2); the left bracket (1) is connected with the right bracket (2) through a partition plate (3), and a containing area (4) for lifting glass to move is formed between the left bracket (1) and the right bracket (2); a conveying rail (5) is fixedly arranged on the left bracket (1) and the right bracket (2), and at least two lifting sliding mechanisms (6) are connected to the conveying rail (5) in a sliding manner; the two lifting sliding mechanisms (6) correspond to the accommodating areas (4); the lifting sliding mechanisms (6) are symmetrically arranged on the conveying track (5); the lifting sliding mechanism (6) comprises sliding devices (7) which are respectively connected to the conveying track (5) in a sliding manner; a positioning shaft (8) is connected between the two sliding devices (7), and a lifting device (9) is sleeved on the positioning shaft (8); the sliding device (7) comprises a connecting plate (10) and a positioning seat (11) fixedly arranged on the connecting plate (10); the positioning shaft (8) is sleeved on the positioning seat (11), and at least one connecting lantern ring (12) matched with the conveying track (5) is fixedly arranged at the bottom of the connecting plate (10); a connecting hole (14) is formed in the connecting lantern ring (12), and the connecting hole (14) is sleeved on the conveying track (5) so that the connecting lantern ring (12) slides left and right along the conveying track (5); a limit screw (13) for limiting the rotation of the positioning shaft (8) is arranged on the positioning seat (11); the limit screw (13) passes through the positioning seat (11) to prop against the positioning shaft (8); the lifting device (9) comprises a connecting sleeve (20), a mounting plate (21) and a lifting plate (22) fixedly arranged at the front end of the mounting plate (21); the connecting sleeve (20) is fixedly arranged at the rear end of the mounting plate (21) and sleeved on the positioning shaft (8); sliding shaft sleeves (23) are arranged on two sides of the lifting plate (22), the sliding shaft sleeves (23) are fixedly arranged on the mounting plate (21), and lifting rods (24) are sleeved in the sliding shaft sleeves (23); a lifting driving device (30) for the up-and-down movement of the lifting rod (24) is arranged in the lifting plate (22); the sliding shaft sleeves (23) are provided with two pairs, and are symmetrically and equidistantly arranged on the mounting plate (21); the lifting plate (22) is U-shaped, a U-shaped groove (22-1) is formed, and the lifting driving device (30) is positioned in the U-shaped groove (22-1) of the lifting plate (22); the lifting rod (24) is a U-shaped body, the top of the lifting rod (24) is connected with a push plate (38), a conveying belt pressing plate (39) is fixedly arranged at the bottom of the push plate (38), and the conveying belt pressing plate (39) is connected with the lifting driving device (30); the lifting driving device (30) comprises an upper bearing seat (31) and a lower bearing seat (32) which are fixedly arranged on the inner side wall of the lifting plate (22); an upper bearing (33) and a lower bearing (34) are respectively connected to the upper bearing seat (31) and the lower bearing seat (32), and an upper gear (35) and a lower gear (36) are respectively sleeved on the upper bearing (33) and the lower bearing (34); the upper gear (35) and the lower gear (36) are connected through a conveying belt (40), a conveying belt pressing plate (39) is connected to the conveying belt (40), a driving motor (37) for driving the lower gear (36) to rotate is connected to the outer side of the lifting plate (22), and the driving motor (37) is fixedly arranged on the mounting plate (21).
CN201811009493.XA 2018-08-31 2018-08-31 Lifting and conveying device for shower room glass Active CN109095182B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811009493.XA CN109095182B (en) 2018-08-31 2018-08-31 Lifting and conveying device for shower room glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811009493.XA CN109095182B (en) 2018-08-31 2018-08-31 Lifting and conveying device for shower room glass

Publications (2)

Publication Number Publication Date
CN109095182A CN109095182A (en) 2018-12-28
CN109095182B true CN109095182B (en) 2024-01-05

Family

ID=64864459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811009493.XA Active CN109095182B (en) 2018-08-31 2018-08-31 Lifting and conveying device for shower room glass

Country Status (1)

Country Link
CN (1) CN109095182B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110015550A (en) * 2019-02-25 2019-07-16 平湖市南鑫箱包有限公司 A kind of positioning transporting device of luggage

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845041A1 (en) * 2006-04-11 2007-10-17 USD Formteiltechnik GmbH Foldable stack for the transport of glass
DE202008016566U1 (en) * 2008-12-17 2009-04-16 Grenzebach Maschinenbau Gmbh Device for the rapid transport of glass plates
CN103693443A (en) * 2013-12-20 2014-04-02 蚌埠凯利机械设备有限公司 Movable conveyor belt device of glass loading and unloading machine
CN203639335U (en) * 2013-11-08 2014-06-11 蚌埠朝阳玻璃机械有限公司 Conveyer belt lifting gear of conveyer cutting machine
CN203638743U (en) * 2013-11-14 2014-06-11 东风本田汽车有限公司 Automatic conveying device for glass
CN205240731U (en) * 2015-12-17 2016-05-18 江苏润达光伏股份有限公司 Automatic inhale and hang glass device
CN105731067A (en) * 2016-04-05 2016-07-06 罗国青 Horizontal extraction device for glass
CN205892125U (en) * 2016-06-27 2017-01-18 浙江宇清热工科技股份有限公司 Glass promotes conveying mechanism
CN107720272A (en) * 2017-10-31 2018-02-23 中航三鑫太阳能光电玻璃有限公司 A kind of glass intelligent distribution device
CN107857119A (en) * 2017-07-12 2018-03-30 河南环宇玻璃科技股份有限公司 Electronic fluctuating plate dolly for glass conveying
CN208898096U (en) * 2018-08-31 2019-05-24 平湖市欧文洁具有限公司 A kind of promotion conveying device of shower room glass

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845041A1 (en) * 2006-04-11 2007-10-17 USD Formteiltechnik GmbH Foldable stack for the transport of glass
DE202008016566U1 (en) * 2008-12-17 2009-04-16 Grenzebach Maschinenbau Gmbh Device for the rapid transport of glass plates
CN203639335U (en) * 2013-11-08 2014-06-11 蚌埠朝阳玻璃机械有限公司 Conveyer belt lifting gear of conveyer cutting machine
CN203638743U (en) * 2013-11-14 2014-06-11 东风本田汽车有限公司 Automatic conveying device for glass
CN103693443A (en) * 2013-12-20 2014-04-02 蚌埠凯利机械设备有限公司 Movable conveyor belt device of glass loading and unloading machine
CN205240731U (en) * 2015-12-17 2016-05-18 江苏润达光伏股份有限公司 Automatic inhale and hang glass device
CN105731067A (en) * 2016-04-05 2016-07-06 罗国青 Horizontal extraction device for glass
CN205892125U (en) * 2016-06-27 2017-01-18 浙江宇清热工科技股份有限公司 Glass promotes conveying mechanism
CN107857119A (en) * 2017-07-12 2018-03-30 河南环宇玻璃科技股份有限公司 Electronic fluctuating plate dolly for glass conveying
CN107720272A (en) * 2017-10-31 2018-02-23 中航三鑫太阳能光电玻璃有限公司 A kind of glass intelligent distribution device
CN208898096U (en) * 2018-08-31 2019-05-24 平湖市欧文洁具有限公司 A kind of promotion conveying device of shower room glass

Also Published As

Publication number Publication date
CN109095182A (en) 2018-12-28

Similar Documents

Publication Publication Date Title
CN201626710U (en) Sucking disc type silicon wafer taking mechanism
CN209567526U (en) A kind of silica crucible conveying robot device
CN109095182B (en) Lifting and conveying device for shower room glass
CN204433684U (en) A kind of efficient circulation double-speed chain conveyor line
CN105858118B (en) A kind of adjustable conveyor structure
CN213386268U (en) Cam connecting rod combined feeder
CN214003052U (en) Ore conveyer belt with adjustable
CN211664004U (en) Bathroom ceramic body conveyer
CN205552007U (en) There is not oily elevating platform
CN206634747U (en) The clear powder device of automatic sheet-feeding
CN208560814U (en) A kind of pallet reversing conveyer
CN204507937U (en) A kind of sheet material feeding device
CN205254337U (en) Two -sided engraver
CN104891225A (en) Automatic single plate feeding machine
CN210560075U (en) Glass tempering and loading device
CN208898096U (en) A kind of promotion conveying device of shower room glass
CN207903471U (en) A kind of stand alone type manipulator two-pass material grasping manipulator
CN218453768U (en) Full-automatic ABS formula longmen production line equipment
CN206037725U (en) A automatic tilting mechanism for preventing kiln furnitures warp
CN205526380U (en) Detachable lift change table system
CN215393420U (en) Elevator accessory welding position frock
CN212197525U (en) Glass conveyer
CN215974169U (en) Automatic feeding and conveying device of dust-free paper cutting machine
CN104590847A (en) Lifting assembly line
CN211616184U (en) Novel stone material cutting 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