CN208615028U - A kind of water-saving automatic maintenance device of precast beam - Google Patents
A kind of water-saving automatic maintenance device of precast beam Download PDFInfo
- Publication number
- CN208615028U CN208615028U CN201821008527.9U CN201821008527U CN208615028U CN 208615028 U CN208615028 U CN 208615028U CN 201821008527 U CN201821008527 U CN 201821008527U CN 208615028 U CN208615028 U CN 208615028U
- Authority
- CN
- China
- Prior art keywords
- water
- auto
- rotating spray
- precast beam
- spray head
- 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
- 238000012423 maintenance Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 239000007921 spray Substances 0.000 claims abstract description 79
- 241000220317 Rosa Species 0.000 claims abstract description 25
- 239000004576 sand Substances 0.000 claims description 24
- 239000004744 fabric Substances 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 7
- 229920006351 engineering plastic Polymers 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 230000001351 cycling effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding 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
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model belongs to a kind of water-saving automatic maintenance device of precast beam, it is made of water pump and auto-rotating spray head, auto-rotating spray head group is by main water inlet tube, branched pipe, solenoid valve and several auto-rotating spray heads are formed, one end and two sides of main water inlet tube connect the bottom water inlet of several auto-rotating spray heads in spacing distance by branched pipe, several auto-rotating spray heads are contacted integral by support frame, the other end of main water inlet tube is communicated by solenoid valve with the water outlet pipe of water pump, adjacent auto-rotating spray head group constitutes auto-rotating spray head system by being connected in the string hook of spacing distance hook on the support frame.It further include tray, Rose Box, water tank, water pump and string hook.The utility model has structure simple, and securely and reliably, water-saving and environmental protection, employment is few, and maintenance quality is good, and construction efficiency is high, the easy for assemble or unload and good advantage of using effect.
Description
Technical field
The utility model relates to a kind of water-saving automatic maintenance devices of precast beam.
Background technique
Certain beams used in bridge construction be it is prefabricated at the construction field (site), in-situ precast beam especially certain is uphang
Precast beam need to spray water health in time, and otherwise Hui Shi precast beam local strength is low or desciccation crack, influence precast beam total quality.It is right
Precast beam manually takes water pipe spray maintenance and is presently the most convenient and economic health-preserving method.But this method employment is more, maintenance
It is of poor quality, and the precast beam uphang also can not be conserved manually.Existing mechanical precast beam maintenance, such as T beam or box beam spray maintenance
Mostly it is to hang water pipe in beam flange plate, or set up mobile spray pipeline in precast beam two sides, spray head is preset on water pipe to beam
Plate carries out spray maintenance.Such as Chinese Patent Application No. 201420708843.2, a kind of entitled " movable prefabricated beam automatic spray
It is exactly such a maintenance process in the patent of curing means ", in precast beam two sides, installation is with control electronic box, control water
The spray system of pump, idler wheel, guide rail, movable motor, supporting leg rack, crossbeam and spray head.And other precast beam spray maintenance systems
System is also using the exposed water lines and Moveable pipeline form for presetting fixation, and it is as follows that there are drawbacks:
1, mobile spray system structure is complicated, needs that mobile or peace is largely manually gone to tear open；
2, limited predefined region greatly affects construction site plus equipment such as complicated open pipings and moving machine
Safety, and water consumption is big, no water-saving function, is unable to satisfy the health needs for lacking area；
3, mobile spray system step Liang Chang biggish for mountain area longitudinal slope or the precast beam uphang at all can not be real
Existing, spray can not also carry out lid precast beam comprehensively, and also spraying position can not be adjusted flexibly, and occur leaking often and support phenomenon, make precast beam
Part maintenance is not in place, causes precast beam local strength low or desciccation crack, influences beam body total quality.
Summary of the invention
The purpose of the utility model is to provide a kind of water-saving automatic maintenance devices of precast beam, have structure simple, safely may be used
It leans on, water-saving and environmental protection, employment is few, and maintenance quality is good, and construction efficiency is high, the easy for assemble or unload and good advantage of using effect.
For this purpose, the utility model is made of water pump and auto-rotating spray head, in which:
Auto-rotating spray head system, for carrying out automatic spray maintenance to precast beam, several auto-rotating spray head groups pass through
String hook simultaneously joins and is distributed in precast beam periphery composition auto-rotating spray head system together, and auto-rotating spray head group is by main water inlet
Pipe, branched pipe, solenoid valve and several auto-rotating spray heads are formed, and one end and two sides of main water inlet tube pass through in spacing distance
Branched pipe connects the bottom water inlet of several auto-rotating spray heads, and several auto-rotating spray heads are contacted integrally by support frame, main
The other end of water inlet pipe is communicated by solenoid valve with the water outlet pipe of water pump, and adjacent auto-rotating spray head group passes through in interval
The string hook of RANGE HOOK on the support frame is connected.
Tray, for recycling the curing water of precast beam in Rose Box, tray is located at the lower end of precast beam, positioned at holding
The water outlet for connecing disk lower end is communicated by conduit with Rose Box upper end.
Rose Box, for recycling the curing water of precast beam cycling and reutilization after filtering, the water outlet of lower end in Rose Box
Place is equipped with filter screen, and the interior lower end of Rose Box is successively arranged fine sand layer, coarse sands layer, filter layer of cloth from the bottom to top, Rose Box lower end
Water outlet is communicated by water pump and aqueduct with water tank.
Water tank, for storing curing water, the pump mouth of water pump is communicated with the interior lower part of water tank, water tank it is upper
End edge is set along the controller for being equipped with control water pump, water level control relay, water pump and solenoid valve, the upper end side wall of water tank
Fill hole.
Water pump, for, into main water inlet tube, the water inlet of water pump to communicate water tank by the maintenance water pump in water tank
Interior lower part, the water outlet pipe of water pump communicates the bottom of each auto-rotating spray head by solenoid valve and main water inlet tube, branched pipe
Water inlet.
String hook, for adjacent auto-rotating spray head group to be connected, the upper-end bent of upper hook rod forms end hook, on
The lower end outside of shank sets nut, and the lower ends bent of lower hook rod forms lower end hook, and the top peripheral wall of lower hook rod is to be spirally connected with nut
External thread part, the top of lower hook rod is spirally connected by external thread part and the nut of upper hook rod lower end.
The fine sand layer by partial size be 0.3~0.5mm sand grains constitute, fine sand layer with a thickness of 20~40cm.
The coarse sands layer by partial size be 1~2mm sand grains constitute, fine sand layer with a thickness of 20~25cm.
The main water inlet tube selects the engineering plastics pipe of internal diameter 50mm, wall thickness 5mm.The branched pipe selects internal diameter
The engineering plastics pipe of 25mm, wall thickness 5mm.The filter layer of cloth is the burlap or nonwoven layer of 1~2mm thickness.
Said structure design realizes the purpose of this utility model.
The utility model has structure simple, and securely and reliably, water-saving and environmental protection, employment is few, and maintenance quality is good, construction efficiency
Height, the easy for assemble or unload and good advantage of using effect.
Good effect is the utility model compared with prior art:
(1) maintenance quality significantly improves.Previous stationary nozzle has been prevented using auto-rotating spray head system and has been disposed with dead angle
The shortcomings that, reach round-the-clock, comprehensive, wet " three is complete " tending quality standard entirely.
(2) it improves labor efficiency.Traditional spray maintenance method, the maintenance of equivalent amount beam piece at least need 2~3 people, and
Using the utility model, entire maintenance only needs the part-time operation equipment of 1 people.
(3) equipment can be repeatedly used in turn, and utilization rate is high.Auto-rotating spray head system handling side needed for the utility model
Just, can transition to other building sites reuse, be very suitable for the mobility feature in building site.
(4) it saves water.The utility model can take subregion to spray, primary to spray 2-3 column pedestal T beam, can also basis
The preserving period different set of the precast beam different spraying health promotion time；The water that will be sprayed out re-uses after settling tank precipitates,
Water is used to save, and protects construction environment.
(5) generation that high altitude operation causes safety accident is avoided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the use state of the utility model.
Fig. 2 is the structural schematic diagram of the auto-rotating spray head group of the utility model.
Fig. 3 is the structural schematic diagram of the string hook of the utility model.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of water-saving automatic maintenance device of precast beam is by 2 groups of water pump 13 and auto-rotating spray head
At, wherein:
Auto-rotating spray head system, for carrying out automatic spray maintenance to precast beam.Several auto-rotating spray head groups pass through
String hook 6 simultaneously joins together and is distributed in precast beam periphery composition auto-rotating spray head system.Precast beam periphery is distributed at least to wrap
The upper surface and two sides for including precast beam, the water that auto-rotating spray head can be made to spray reach the arbitrary face that precast beam need to conserve.
When laying auto-rotating spray head group, an auto-rotating spray head group can be laid in the upper surface of precast beam, and in precast beam 1
Upper surface sets the several spreaders 3 being distributed in interval distance, and spreader both ends are located on the outside of the upper surface of precast beam to rotate automatically
Support frame 4 in nozzle group is hung thereon, and the auto-rotating spray head group each auto-rotating spray head group below is also through in interval
The string hook of RANGE HOOK on the support frame is connected.
Auto-rotating spray head group is made of main water inlet tube 5, branched pipe 22, solenoid valve 18 and several auto-rotating spray heads.
One end and two sides of main water inlet tube connect the bottom water inlet of several auto-rotating spray heads in spacing distance by branched pipe.It is several
Auto-rotating spray head (side) is contacted integrally by support frame, and support frame is metal frame.The other end of main water inlet tube passes through
Solenoid valve 18 is communicated with the water outlet pipe 19 of water pump.
Adjacent auto-rotating spray head group is formed automatic by being connected in the string hook of spacing distance hook on the support frame
Rotary nozzle system.Auto-rotating spray head is purchased product in the market.
Tray 17, for recycling the curing water of precast beam in Rose Box.Tray is made of sheet iron or plastics, is held
The lower end that disk is located at precast beam is connect, the lower end for being located at precast beam can be hung by iron wire, may also be at the ground of the lower end of precast beam
On, for accepting the curing water flowed down from precast beam, the water outlet 7 positioned at tray lower end passes through conduit 8 and Rose Box upper end
It communicates.
Rose Box 23, for recycling the curing water of precast beam cycling and reutilization after filtering.The water outlet of lower end in Rose Box
It is equipped with filter screen 12 at mouthful, is the steel mesh of 100 mesh, sundries enters water outlet for blocking.The interior lower end of Rose Box is from the bottom to top
It is successively arranged fine sand layer 11, coarse sands layer 10, filter layer of cloth 9, for filtering out the circulating maintenance water entered in Rose Box.The fine sand
Layer by partial size be 0.3~0.5mm sand grains constitute, fine sand layer with a thickness of 20~40cm.The coarse sands layer by partial size be 1~
The sand grains of 2mm is constituted, fine sand layer with a thickness of 20~25cm.The filter layer of cloth is the burlap or nonwoven layer of 1~2mm thickness.
The water outlet of Rose Box lower end is communicated by water pump 13 and aqueduct 14 with water tank.Obviously, if making under Rose Box
End face is higher than water tank upper surface, can remove water pump, communicate the water outlet of Rose Box lower end with water tank upper end.
Water tank 15, for storing curing water.The pump mouth of water pump 21 is communicated with the interior lower part of water tank, water tank
Upper end edge is equipped with the controller 16 of control water pump, water level control relay, water pump and solenoid valve.Water level control relay
For controlling the water level in water tank, when the water level deficiency in water tank can and alarm, prompter add water.It is set in controller
Having time control module can control the opening and closing of water pump and solenoid valve.In use, setting time control module in controller
Every time spray maintenance interval time, after the time arrives, controller automatically starting water pump, each solenoid valve become owner of hydraulic pressure into water
In pipe, branched pipe and each auto-rotating spray head, auto-extending rotates automatically and starts to spray each auto-rotating spray head under the action of water pressure
Water curing work.Also it is evaporated the time according to precast beam surface moisture, spray interval time is adjusted, when delay time is after
System automatic work again, until so expiring in cycles until conserving.
The upper end side wall of water tank sets fill hole 20, injects curing water to facilitate to water tank water.
Water pump 21, for, into main water inlet tube, the water inlet of water pump to communicate water storage by the maintenance water pump in water tank
The water outlet pipe 19 of the interior lower part of case, water pump communicates each auto-rotating spray head by solenoid valve and main water inlet tube, branched pipe
Bottom water inlet.It is all provided with a solenoid valve on each main water inlet tube and communicates the water outlet pipe of water pump.
String hook 6, for adjacent auto-rotating spray head group to be connected, the upper-end bent of upper hook rod 62 forms end hook
61, the lower end outside of upper hook rod sets nut 64；The lower ends bent of lower hook rod 65 forms lower end hook 66, and the top peripheral wall of lower hook rod is
The external thread part 63 being spirally connected with nut.The top of lower hook rod is spirally connected by external thread part and the nut of upper hook rod lower end, to make
Hook length of going here and there is adjustable, is needed with being applicable in different length.
The fine sand layer by partial size be 0.3~0.5mm sand grains constitute, fine sand layer with a thickness of 20~40cm.
The coarse sands layer by partial size be 1~2mm sand grains constitute, fine sand layer with a thickness of 20~25cm.
The main water inlet tube selects the engineering plastics pipe of internal diameter 50mm, wall thickness 5mm.The branched pipe selects internal diameter
The engineering plastics pipe of 25mm, wall thickness 5mm.The filter layer of cloth is the burlap or nonwoven layer of 1~2mm thickness.
Maintenance is to arrange auto-rotating spray head system in precast beam upper surface, two sides immediately after moulding board of precast beam is removed,
The water for spraying auto-rotating spray head reaches the arbitrary face that precast beam need to conserve.Curing water is filled into water tank.By tray
It sets in the lower end of precast beam, for recycling the curing water of precast beam in Rose Box.Power on, sets the time in controller
After each spray maintenance interval time of control module, controller automatically starting water pump and each solenoid valve enter hydraulic pressure automatically
In each main water inlet tube of rotary nozzle system, branched pipe and each auto-rotating spray head, each auto-rotating spray head is under the action of water pressure
Auto-extending rotates automatically to be started to carry out wet curing to precast beam surface.It is sprayed on the maintenance water flow of the downward drip in precast beam surface
Enter in tray, then enter in Rose Box through water outlet and conduit, after filter layer of cloth, coarse sands layer and fine sand layer in case, filter out into
Entering sundries in the curing water in Rose Box, the water after strainer filtering sundries, the water pump through starting indirectly is pumped into water tank,
It is re-used as curing water cycling and reutilization.
In short, the utility model has structure simple, securely and reliably, water-saving and environmental protection, employment is few, and maintenance quality is good, construction
It is high-efficient, the easy for assemble or unload and good advantage of using effect.
Claims (6)
1. a kind of water-saving automatic maintenance device of precast beam, is made of water pump and auto-rotating spray head, it is characterized in that:
Auto-rotating spray head system, for carrying out automatic spray maintenance to precast beam, several auto-rotating spray head groups pass through string hook
And join together and be distributed in precast beam periphery constitute auto-rotating spray head system, auto-rotating spray head group by main water inlet tube, point
Branch pipe, solenoid valve and several auto-rotating spray heads are formed, and one end and two sides of main water inlet tube pass through branch in spacing distance
Pipe connects the bottom water inlet of several auto-rotating spray heads, and several auto-rotating spray heads are contacted integrally by support frame, main water inlet
The other end of pipe is communicated by solenoid valve with the water outlet pipe of water pump, and adjacent auto-rotating spray head group is by being in spacing distance
The string hook of hook on the support frame is connected；
Tray, for recycling the curing water of precast beam in Rose Box, tray is located at the lower end of precast beam, is located at tray
The water outlet of lower end is communicated by conduit with Rose Box upper end；
Rose Box, for recycling the curing water of precast beam cycling and reutilization after filtering, the water outlet of lower end is set in Rose Box
There is filter screen, the interior lower end of Rose Box is successively arranged fine sand layer, coarse sands layer, filter layer of cloth, the water outlet of Rose Box lower end from the bottom to top
Mouth is communicated by water pump and aqueduct with water tank；
Water tank, for storing curing water, the pump mouth of water pump is communicated with the interior lower part of water tank, the upper end edge of water tank
Along the controller for being equipped with control water pump, water level control relay, water pump and solenoid valve, the upper end side wall of water tank sets moisturizing
Hole；
Water pump, for, into main water inlet tube, the water inlet of water pump to communicate the interior of water tank by the maintenance water pump in water tank
The water outlet pipe of lower part, water pump is intake by the bottom that solenoid valve and main water inlet tube, branched pipe communicate each auto-rotating spray head
Mouthful；
String hook, for adjacent auto-rotating spray head group to be connected, the upper-end bent of upper hook rod forms end hook, upper hook rod
Lower end outside set nut, the lower ends bent of lower hook rod forms lower end hook, the top peripheral wall of lower hook rod be spirally connected with nut it is outer
The top of threaded portion, lower hook rod is spirally connected by external thread part and the nut of upper hook rod lower end.
2. the water-saving automatic maintenance device of a kind of precast beam according to claim 1, it is characterized in that: the fine sand layer is by grain
Diameter be 0.3~0.5mm sand grains constitute, fine sand layer with a thickness of 20~40cm.
3. the water-saving automatic maintenance device of a kind of precast beam according to claim 1, it is characterized in that: the coarse sands layer is by grain
Diameter be 1~2mm sand grains constitute, fine sand layer with a thickness of 20~25cm.
4. the water-saving automatic maintenance device of a kind of precast beam according to claim 1, it is characterized in that: the main water inlet tube selects
With the engineering plastics pipe of internal diameter 50mm, wall thickness 5mm.
5. the water-saving automatic maintenance device of a kind of precast beam according to claim 1, it is characterized in that: the branched pipe is selected
The engineering plastics pipe of internal diameter 25mm, wall thickness 5mm.
6. the water-saving automatic maintenance device of a kind of precast beam according to claim 1, it is characterized in that: the filter layer of cloth is 1
The burlap or nonwoven layer of~2mm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008527.9U CN208615028U (en) | 2018-06-28 | 2018-06-28 | A kind of water-saving automatic maintenance device of precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821008527.9U CN208615028U (en) | 2018-06-28 | 2018-06-28 | A kind of water-saving automatic maintenance device of precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208615028U true CN208615028U (en) | 2019-03-19 |
Family
ID=65703949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821008527.9U Expired - Fee Related CN208615028U (en) | 2018-06-28 | 2018-06-28 | A kind of water-saving automatic maintenance device of precast beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208615028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714508A (en) * | 2019-09-28 | 2020-01-21 | 深圳中物智建科技有限公司 | Building site reclaimed water recycling system |
-
2018
- 2018-06-28 CN CN201821008527.9U patent/CN208615028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714508A (en) * | 2019-09-28 | 2020-01-21 | 深圳中物智建科技有限公司 | Building site reclaimed water recycling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203994187U (en) | A kind of precast beam automatic spray health preserving equipment | |
| CN203977494U (en) | Rainwater-collecting sprinkling irrigation botanical system under a kind of bridge | |
| CN104264995A (en) | Automatic spraying conservation system for high-rise building shear wall structure | |
| CN109958290A (en) | A kind of full-automatic autotrophy protecting system of building green | |
| CN105126503A (en) | Simple automatic water-saving spraying and dedusting system of temporarily constructed road | |
| CN208615028U (en) | A kind of water-saving automatic maintenance device of precast beam | |
| CN207564671U (en) | For sliding formwork or the auto spraying curing means of climbing formwork for construction concrete vertical structure | |
| CN107775786B (en) | Automatic spraying health preserving system and spraying method | |
| CN108505446A (en) | Bridge pier, continuous beam spray maintenance device | |
| CN206351486U (en) | Full-automatic T beam maintenance trolleys | |
| CN206551186U (en) | A kind of section box girder automatic sprinkler fire-extinguishing system | |
| CN205654109U (en) | Core section of thick bamboo wall body maintenance system | |
| CN205389644U (en) | Flower cultivation frame of water conservation | |
| CN207724546U (en) | A kind of automatic spray health promotion system | |
| CN207552197U (en) | High-speed railway bridge floor series concrete high-pressure spraying is atomized curing system | |
| CN110124418A (en) | A kind of building engineering construction building site spray dust system | |
| CN217501129U (en) | Automatic concrete curing means of control | |
| CN102120338A (en) | Time control water saving and maintaining device for high-strength concrete on outer wall of core tube structure | |
| CN207011335U (en) | A kind of outside vertical surface of building Intelligent vertical greening system | |
| CN205797530U (en) | A kind of dust-proof temp-lowering system | |
| CN211113189U (en) | Bridge deck pavement automatic spraying health preserving system | |
| CN209025478U (en) | A kind of safety pounding-proof canopy for construction site protective | |
| CN220593552U (en) | Reinforced concrete oozes pipe production maintenance equipment | |
| CN207120339U (en) | A kind of cast-in-situ box girder automatic maintenance system | |
| CN206982962U (en) | Precast concrete conserves spray equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 |