CN208866631U - A kind of gas fired-boiler water-cooling wall spray equipment - Google Patents
A kind of gas fired-boiler water-cooling wall spray equipment Download PDFInfo
- Publication number
- CN208866631U CN208866631U CN201821732280.5U CN201821732280U CN208866631U CN 208866631 U CN208866631 U CN 208866631U CN 201821732280 U CN201821732280 U CN 201821732280U CN 208866631 U CN208866631 U CN 208866631U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- welding gun
- cooling wall
- spray equipment
- gas fired
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 241001640558 Cotoneaster horizontalis Species 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000008450 motivation Effects 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000011343 solid material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
A kind of gas fired-boiler water-cooling wall spray equipment, it is related to a kind of water-cooling wall spray equipment, and in particular to a kind of gas fired-boiler water-cooling wall spray equipment.The utility model for the work for solving existing water-cooling wall surface overlaying wearing layer is completed by manually, not only increases the physical load of worker, and the problem that working efficiency is lower.The utility model includes welding gun and welding machine component, welding gun is connect with the welding machine component, the utility model further includes upright guide rail, horizontal guide rail, welding gun mobile base, welding gun fixed bracket assembly, lifting sliding sleeve, translational drive mechanism and lift drive mechanism, upright guide rail is vertically arranged, lifting sliding sleeve is sleeved on upright guide rail, and going up and down sliding sleeve can be along upright guide rail linear movement up and down.The utility model belongs to machinery field.
Description
Technical field
The utility model relates to a kind of water-cooling wall spray equipments, and in particular to a kind of gas fired-boiler water-cooling wall spraying dress
It sets, belongs to machinery field.
Background technique
Water-cooling wall is the main pressure-containing member of boiler, is mainly used for absorbing Boiler radiation heat, in boiler running process, edge
The dirty solid material in inboard wall of burner hearth face generates the change of flow direction in juncture area, thus generates punching to water cooling wall surface
Brush, causes water-cooling wall transducer wall's abrasion thinning by washing away for a long time, intensity decline, in addition due under wall surface in transitional region
The movement of solid material moved upwards in the solid material and furnace of stream generates mill to water-cooling wall on the contrary, locally generating vortex flow
Damage, shortens the service life of water-cooling wall, in order to extend the service life of water-cooling wall, needs resistance at one layer of water-cooling wall surface overlaying
Grind layer.Currently, the work of water-cooling wall surface overlaying wearing layer is completed by manually, the physical strength for not only increasing worker is negative
Load, and working efficiency is lower.
Utility model content
The utility model is that solve the work of existing water-cooling wall surface overlaying wearing layer completed by manually, is not only increased
Add the physical load of worker, and the problem that working efficiency is lower, and then proposes a kind of gas fired-boiler water-cooling wall spraying dress
It sets.
The utility model adopts the technical scheme that in order to solve the above problem: the utility model includes welding gun and welding machine group
Part, welding gun are connect with the welding machine component, and the utility model further includes upright guide rail, horizontal guide rail, welding gun mobile base, welding gun
Fixed bracket assembly, lifting sliding sleeve, translational drive mechanism and lift drive mechanism, upright guide rail are vertically arranged, and go up and down sliding sleeve set
On upright guide rail, and going up and down sliding sleeve can be along upright guide rail linear movement up and down, and one end of horizontal guide rail and lifting sliding sleeve are solid
Fixed connection, the center line of horizontal guide rail along its length and the central axis of upright guide rail along its length, the mobile bottom of welding gun
Cover for seat fills on the horizontal guide rail, and welding gun mobile base can pass through the fixed branch of welding gun along horizontal guide rail straight reciprocating, welding gun
Frame component is mounted in welding gun mobile base, and the translational drive mechanism is connect with welding gun mobile base, the elevator drive machine
Structure is connect with lifting sliding sleeve.
Further, the translational drive mechanism includes first motor, the first screw rod, the first nut and first bearing seat,
First motor is fixed on lifting sliding sleeve, and first bearing seat is fixedly mounted on the lower surface of the horizontal guide rail other end, the first nut
It is fixedly connected with welding gun mobile base, one end of the first screw rod and the rotation axis connection of first motor, the other end of the first screw rod
It is rotatablely connected across the first nut and first bearing seat, the axis and the center line of horizontal guide rail along its length of the first screw rod are flat
Row.
Further, the lift drive mechanism includes the second motor, the second screw rod, the second nut and second bearing seat,
Second motor is fixedly connected with the upper end of upright guide rail, and second bearing seat is fixedly connected with the lower end of upright guide rail, the second nut
It is fixedly connected with lifting sliding sleeve, the rotation axis connection of the upper end of the second screw rod and the second motor, the lower end of the second screw rod is across the
Two nuts and second bearing seat are rotatablely connected.
Further, welding gun fixed bracket assembly includes rectangular box, clamping screw, column and wig-wag, and wig-wag is solid
In welding gun mobile base, the lower end of column is connect with wig-wag for Dingan County, and the upper end of column and the lower surface of rectangular box are solid
Fixed connection, welding gun are inserted into rectangular box, and the side wall of rectangular box side is equipped with screw hole, and clamping screw is inserted into the spiral shell
In hole.
Further, welding gun fixed bracket assembly further includes that pressing plate, the first rubber pad and the second rubber pad, pressing plate are set vertically
It sets in rectangular box, the end of clamping screw rotates after the screw hole on the side wall of rectangular box side with the lateral surface of pressing plate
Connection, the first rubber pad are arranged on the medial surface of pressing plate, and the second rubber pad is arranged on the inner wall of the rectangular box other side.
Further, the utility model further includes welding wire guidance set, the welding wire guidance set include upper directive wheel, under
Directive wheel and guide wheel bracket, guide wheel bracket are fixedly mounted on the first nut, upper directive wheel, lower directive wheel from top to bottom according to
It is secondary to be mounted on guide wheel bracket.
Further, the utility model further includes two strong magnets, and two strong magnets are respectively and fixedly installed to upright guide rail
Top and bottom, the top and bottom of upright guide rail are fixed on boiler water wall by two strong magnets.
The beneficial effects of the utility model are: 1, the utility model is instead of manually to boiler water wall surface butt welding protection
Layer, significantly reduces the physical load of worker；2, the utility model is improved compared to artificial butt welding water-cooling wall protective layer efficiency
Five times or more；3, the utility model is more uniform compared to artificial built-up welding, keeps water-cooling wall sealer thin and thick uniform, Bu Huiyin
Local securing layer thickness deficiency causes perforation to show generation；4, the simple operations of the utility model structure are convenient and efficient.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of welding gun fixed bracket assembly；
Fig. 3 is the structural schematic diagram of welding wire guidance set；
Fig. 4 is the side view of upright guide rail.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of gas fired-boiler described in present embodiment in conjunction with Fig. 1 to Fig. 4
With water-cooling wall spray equipment, it includes welding gun 1 and welding machine component, and welding gun 1 is connect with the welding machine component, and present embodiment is also wrapped
Include upright guide rail 2, horizontal guide rail 3, welding gun mobile base 4, welding gun fixed bracket assembly 5, lifting sliding sleeve 6, translational drive mechanism
And lift drive mechanism, upright guide rail 2 are vertically arranged, lifting sliding sleeve 6 is sleeved on upright guide rail 2, and going up and down sliding sleeve 6 can be along perpendicular
About 2 straight guide moves linearly, one end of horizontal guide rail 3 is fixedly connected with sliding sleeve 6 is gone up and down, and horizontal guide rail 3 is along its length
Center line and the central axis of upright guide rail 2 along its length, welding gun mobile base 4 is sleeved on horizontal guide rail 3, and welding gun
Mobile base 4 can be mounted on the mobile bottom of welding gun by welding gun fixed bracket assembly 5 along 3 straight reciprocating of horizontal guide rail, welding gun 1
On seat 4, the translational drive mechanism is connect with welding gun mobile base 4, and the lift drive mechanism is connect with lifting sliding sleeve 6.
Welding machine component described in present embodiment includes dioxide bottle 19,20 and of carbon dioxide gas arc welding welding machine
The output end of wire-feed motor 21, the dioxide bottle 19 is connect with the input terminal of wire-feed motor 21, and the carbon dioxide gas is protected
The output end of shield welding machine 20 is connect with the input terminal of wire-feed motor 21, and 22 output end of welding wire and welding gun 1 of the wire-feed motor 21 connect
It connects, the cable of the carbon dioxide gas arc welding welding machine 20 is connect with water-cooling wall.
Specific embodiment 2: illustrating a kind of gas fired-boiler water-cooling wall spray equipment of present embodiment in conjunction with Fig. 1 to Fig. 4
Translational drive mechanism includes that first motor 7, the first screw rod 8, the first nut 9 and first bearing seat 10, first motor 7 are fixed on liter
It drops on sliding sleeve 6, first bearing seat 10 is fixedly mounted on the lower surface of 3 other end of horizontal guide rail, the first nut 9 and the mobile bottom of welding gun
Seat 4 is fixedly connected, and the other end of one end of the first screw rod 8 and the rotation axis connection of first motor 7, the first screw rod 8 passes through first
Nut 9 and first bearing seat 10 are rotatablely connected, the axis and the centerline parallel of horizontal guide rail 3 along its length of the first screw rod 8.
First motor 7 drives the first screw rod 8 forward or reverse, and the first screw rod 8, by being threadedly engaged, realizes that welding gun moves with the first nut 9
Pedestal 4 is moved along 3 straight reciprocating of horizontal guide rail.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: illustrating present embodiment, a kind of gas fired-boiler described in present embodiment in conjunction with Fig. 1 to Fig. 4
It include the second motor 11, the second screw rod 12, the second nut 13 and second bearing with the lift drive mechanism of water-cooling wall spray equipment
Seat 14, the second motor 11 is fixedly connected with the upper end of upright guide rail 2, and the lower end of second bearing seat 14 and upright guide rail 2 is fixed to be connected
It connecing, the second nut 13 is fixedly connected with lifting sliding sleeve 6, the rotation axis connection of the upper end of the second screw rod 12 and the second motor 11, the
The lower end of two screw rods 12 passes through the second nut 13 and is rotatablely connected with second bearing seat 14.Second motor 11 drives the second screw rod 12
Forward or reverse, the second screw rod 12 and the second nut 13 are by being threadedly engaged realization lifting sliding sleeve 6 along 2 straight line of upright guide rail
Lower movement.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 4: illustrating present embodiment, a kind of gas fired-boiler described in present embodiment in conjunction with Fig. 1 to Fig. 4
It include rectangular box 5-1, clamping screw 5-2, column 5-3 and swing with the welding gun fixed bracket assembly 5 of water-cooling wall spray equipment
Device 5-4, wig-wag 5-4 are fixedly mounted in welding gun mobile base 4, and the lower end of column 5-3 is connect with wig-wag 5-4, column 5-3
Upper end be fixedly connected with the lower surface of rectangular box 5-1, welding gun 1 is inserted into rectangular box 5-1, the side rectangular box 5-1
Side wall be equipped with screw hole, clamping screw 5-2 is inserted into the screw hole.Welding gun 1 is inserted into rectangular box 5-1, is passed through
It rotates clockwise clamping screw 5-2 welding gun 1 is fixed in rectangular box 5-1, wig-wag 5-4 drives rectangular box 5-1 pendulum
It is dynamic, realize the swing of welding gun 1.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 5: illustrating present embodiment, a kind of gas fired-boiler described in present embodiment in conjunction with Fig. 1 to Fig. 4
It further include pressing plate 5-5, the first rubber pad 5-6 and the second rubber pad 5- with the welding gun fixed bracket assembly 5 of water-cooling wall spray equipment
7, pressing plate 5-5 is vertically arranged in rectangular box 5-1, and the end of clamping screw 5-2 passes through on the side wall of the side rectangular box 5-1
It is rotatablely connected after screw hole with the lateral surface of pressing plate 5-5, the first rubber pad 5-6 is arranged on the medial surface of pressing plate 5-5, the second rubber
Pad 5-7 is arranged on the inner wall of the other side rectangular box 5-1.So set, the first rubber pad 5-6 and the second rubber pad 5-7 energy
It enough avoids 1 surface of welding gun from being damaged, while also increasing 1 outer surface of welding gun and rectangular box 5-1 inner wall, pressing plate 5-5 medial surface
Between frictional force.Other compositions and connection relationship are identical as specific embodiment four.
Specific embodiment 6: illustrating present embodiment, a kind of gas fired-boiler described in present embodiment in conjunction with Fig. 1 to Fig. 4
It further include welding wire guidance set with water-cooling wall spray equipment, the welding wire guidance set includes upper directive wheel 15, lower directive wheel 16
With guide wheel bracket 17, guide wheel bracket 17 is fixedly mounted on the first nut 9, upper directive wheel 15, lower directive wheel 16 by up to
Under be sequentially arranged on guide wheel bracket 17.Welding wire 22 is across upper directive wheel 15, lower directive wheel 16, and upper directive wheel 15 is under
Directive wheel 16 can be avoided welding wire 22 and occur to swing or wind, and cause to shut down phenomenon.Other compositions and connection relationship and tool
Body embodiment one, 2 is four identical.
Specific embodiment 7: embodiment is described with reference to Fig. 4, a kind of gas fired-boiler water cooling described in present embodiment
Wall spray equipment further includes two strong magnets 18, and two strong magnets 18 are respectively and fixedly installed to the top and bottom of upright guide rail 2,
The top and bottom of upright guide rail 2 are fixed on boiler water wall by two strong magnets 18.So set, can be avoided to
It fixes upright guide rail 2 and damages wall-cooling surface.Other compositions and connection relationship are same as the specific embodiment one.
Working principle
In use, the top and bottom of upright guide rail 2 are by two strong magnets 18 with boiler water wall by being fixedly connected,
Operator adjusts the height for going up and down sliding sleeve 6 by rotating and reverse for the second motor 11, and then realizes the vertical fixed of Butt welding gun 1
Position adjusts the position of welding gun mobile base 4 in the horizontal direction by rotating and reverse for first motor 7, realizes Butt welding gun 1
Horizontal location, after the completion of positioning, starting welding machine component starts to water cooling wall surface butt welding coating, and wig-wag 5-4 drives welding gun 1
Swing and applies weldering.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment for being modified or being modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, according to the technical essence of the utility model, within the spirit and principles of the present invention, to the above embodiments
What simple modifications, equivalent substitutions and improvements etc., within the protection scope for still falling within technical solutions of the utility model.
Claims (7)
1. a kind of gas fired-boiler water-cooling wall spray equipment, it includes welding gun (1) and welding machine component, welding gun (1) and the welding machine
Component connection, it is characterised in that: a kind of gas fired-boiler further includes that upright guide rail (2), level are led with water-cooling wall spray equipment
Rail (3), welding gun mobile base (4), welding gun fixed bracket assembly (5), lifting sliding sleeve (6), translational drive mechanism and lifting driving
Mechanism, upright guide rail (2) are vertically arranged, and lifting sliding sleeve (6) is sleeved on upright guide rail (2), and going up and down sliding sleeve (6) can be along vertical
Guide rail (2) moves linearly up and down, and one end of horizontal guide rail (3) is fixedly connected with lifting sliding sleeve (6), and horizontal guide rail (3) is along length
The center line and the central axis of upright guide rail (2) along its length in direction, welding gun mobile base (4) are sleeved on horizontal guide rail
(3) on, and welding gun mobile base (4) can pass through the fixed bracket group of welding gun along horizontal guide rail (3) straight reciprocating, welding gun (1)
Part (5) is mounted on welding gun mobile base (4), and the translational drive mechanism is connect with welding gun mobile base (4), and the lifting is driven
Motivation structure is connect with lifting sliding sleeve (6).
2. a kind of gas fired-boiler water-cooling wall spray equipment according to claim 1, it is characterised in that: the driven in translation machine
Structure includes first motor (7), the first screw rod (8), the first nut (9) and first bearing seat (10), and first motor (7) is fixed on liter
It drops on sliding sleeve (6), first bearing seat (10) is fixedly mounted on the lower surface of horizontal guide rail (3) other end, the first nut (9) and weldering
Rifle mobile base (4) is fixedly connected, one end of the first screw rod (8) and the rotation axis connection of first motor (7), the first screw rod (8)
The other end pass through the first nut (9) and first bearing seat (10) and be rotatablely connected, the axis and horizontal guide rail of the first screw rod (8)
(3) centerline parallel along its length.
3. a kind of gas fired-boiler water-cooling wall spray equipment according to claim 1, it is characterised in that: the elevator drive machine
Structure includes the second motor (11), the second screw rod (12), the second nut (13) and second bearing seat (14), the second motor (11) with erect
The upper end of straight guide (2) is fixedly connected, and second bearing seat (14) is fixedly connected with the lower end of upright guide rail (2), the second nut
(13) it is fixedly connected with lifting sliding sleeve (6), the upper end of the second screw rod (12) and the rotation axis connection of the second motor (11), the second spiral shell
The lower end of bar (12) passes through the second nut (13) and second bearing seat (14) and is rotatablely connected.
4. a kind of gas fired-boiler water-cooling wall spray equipment according to claim 1, it is characterised in that: the fixed bracket group of welding gun
Part (5) includes rectangular box (5-1), clamping screw (5-2), column (5-3) and wig-wag (5-4), the fixed peace of wig-wag (5-4)
On welding gun mobile base (4), the lower end of column (5-3) is connect with wig-wag (5-4), the upper end of column (5-3) and rectangle
The lower surface of framework (5-1) is fixedly connected, and welding gun (1) is inserted into rectangular box (5-1), the side of the side rectangular box (5-1)
Wall is equipped with screw hole, and clamping screw (5-2) is inserted into the screw hole.
5. a kind of gas fired-boiler water-cooling wall spray equipment according to claim 4, it is characterised in that: the fixed bracket group of welding gun
Part (5) further includes pressing plate (5-5), the first rubber pad (5-6) and the second rubber pad (5-7), and pressing plate (5-5) is vertically arranged in rectangle
In framework (5-1), the end of clamping screw (5-2) pass through after the screw hole on the side wall of the side rectangular box (5-1) with pressing plate (5-5)
Lateral surface rotation connection, the first rubber pad (5-6) be arranged on the medial surface of pressing plate (5-5), the second rubber pad (5-7) setting
On the inner wall of the other side rectangular box (5-1).
6. a kind of according to claim 1,2 or 4 gas fired-boiler water-cooling wall spray equipment, it is characterised in that: described one kind
Gas fired-boiler water-cooling wall spray equipment further includes welding wire guidance set, the welding wire guidance set include upper directive wheel (15),
Lower directive wheel (16) and guide wheel bracket (17), guide wheel bracket (17) are fixedly mounted on the first nut (9), upper directive wheel
(15), lower directive wheel (16) is from top to bottom sequentially arranged on guide wheel bracket (17).
7. a kind of gas fired-boiler water-cooling wall spray equipment according to claim 1, it is characterised in that: a kind of gas-fired boiler
Furnace water-cooling wall spray equipment further includes two strong magnets (18), and two strong magnets (18) are respectively and fixedly installed to upright guide rail
(2) top and bottom of top and bottom, upright guide rail (2) are fixed on boiler water wall by two strong magnets (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732280.5U CN208866631U (en) | 2018-10-23 | 2018-10-23 | A kind of gas fired-boiler water-cooling wall spray equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732280.5U CN208866631U (en) | 2018-10-23 | 2018-10-23 | A kind of gas fired-boiler water-cooling wall spray equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208866631U true CN208866631U (en) | 2019-05-17 |
Family
ID=66470843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821732280.5U Expired - Fee Related CN208866631U (en) | 2018-10-23 | 2018-10-23 | A kind of gas fired-boiler water-cooling wall spray equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208866631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684943A (en) * | 2019-10-10 | 2020-01-14 | 江苏科环新材料有限公司 | Micro-fusion welding equipment for preparing anti-abrasion coating on surface of membrane wall |
| CN111112235A (en) * | 2019-12-24 | 2020-05-08 | 贵州电网有限责任公司 | Heating type main transformer safety deicing device |
-
2018
- 2018-10-23 CN CN201821732280.5U patent/CN208866631U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684943A (en) * | 2019-10-10 | 2020-01-14 | 江苏科环新材料有限公司 | Micro-fusion welding equipment for preparing anti-abrasion coating on surface of membrane wall |
| CN110684943B (en) * | 2019-10-10 | 2024-02-09 | 江苏科环新材料有限公司 | Micro fusion welding equipment for preparing anti-abrasion coating on surface of film type wall |
| CN111112235A (en) * | 2019-12-24 | 2020-05-08 | 贵州电网有限责任公司 | Heating type main transformer safety deicing device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |