CN104655390A - Wind tunnel test device for vehicle model moving on bridge based on precision linear slide rails - Google Patents
Wind tunnel test device for vehicle model moving on bridge based on precision linear slide rails Download PDFInfo
- Publication number
- CN104655390A CN104655390A CN201510075250.6A CN201510075250A CN104655390A CN 104655390 A CN104655390 A CN 104655390A CN 201510075250 A CN201510075250 A CN 201510075250A CN 104655390 A CN104655390 A CN 104655390A
- Authority
- CN
- China
- Prior art keywords
- bridge
- slide rail
- model
- accurate line
- line slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000000694 effects Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The invention discloses a wind tunnel test device for a vehicle model moving on a bridge based on precision linear slide rails. The wind tunnel test device comprises the vehicle model, force measurement balances, speed sensors, a traction system and a bridge model supported by brackets, and further comprises the precision linear slide rails fixedly arranged on the bridge surface of the bridge model, wherein slide devices connected with the traction system are arranged on the precision linear slide rails and fixed in the vehicle model; the force measurement balances are fixed on the slide devices through force measurement brackets; the speed sensors are arranged on the bridge surface of the bridge model. The precision linear slide rails and slide blocks are adopted, so that vibration of the vehicle model in a moving process can be greatly reduced, high-precision stable traveling of the vehicle model can be realized, the force measurement balances can be enabled to more accurately test pneumatic force of the vehicle model, and six-component force under different wind directions, different wind speeds and different vehicle speeds also can be tested; the system is low in cost, simple in principle, easy to operate and very wide in application range.
Description
Technical field
The present invention relates to wind-tunnel technique field, be specially a kind of based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail.
Background technology
For ensureing the safe operation of moving vehicle under beam wind effect, need the aerodynamic characteristic of testing train vehicle under beam wind effect.During test, the beam wind perpendicular to bridge direction is provided to act on vehicle and bridge by wind-tunnel, pull-in control system controls car amount speed, makes it move according to the process of " accelerating-steadily-deceleration ", and at the six square phase be subject at steady mobile phase testing vehicle model.Have now in moving vehicle model wind tunnel test device, be put to the test the restriction of device machining precision, testing tool and pull-in control system, auto model is in steady moving process, inevitably there is certain vibration in auto model, when adopting the aerodynamic force of balance testing vehicle model, cannot the impact of filter vehicle model inertial force, thus affect measuring accuracy.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of adopt accurate line slide rail and slide block obviously reduce auto model vibration based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, technical scheme is as follows:
A kind of based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, comprise auto model, force balance, speed pickup, trailer system, and the bridge model to be supported by support, also comprise the accurate line slide rail be fixedly installed on described bridge model bridge floor, described accurate line slide rail is provided with the carriage be connected with trailer system, and described carriage is fixed in auto model; Described force balance is fixed on described carriage by force-measuring support; Described speed pickup is arranged on the bridge floor of described bridge model.
Further, described carriage to be fixedly connected with by slide block connecting link by more than one slide block and to form, and described slider bottom is provided with U-shaped chute, and chute is fastened on described accurate line slide rail.
Further, described bridge model is uniform cross section, bridge floor is provided with the U-rail groove for installing described accurate line slide rail, and the width of U-rail groove is greater than the width of described carriage, and the surface of contact of accurate line slide rail and carriage and bridge floor are same plane; Be provided with slide rail platform below described accurate line slide rail, slide rail platform is fixed on slide rail platform, and slide rail platform is fixed on the support of described bridge model.
Further, described trailer system comprises two belt wheels be arranged on band wheel carrier being positioned at bridge model two ends, and described belt wheel is driven by driving-belt by servomotor; Also comprise Timing Belt, described Timing Belt is at the bottom of bridge model bridge floor and bridge and two belt wheels one week, and the two ends of Timing Belt connect the two ends of described carriage respectively.
Further, described trailer system also comprises the stretching pulley for increasing Timing Belt tension force be arranged at the bottom of described bridge model bridge.
Further, also comprised the base plate of firm effect, described base plate is fixed under the support of described bridge model.
The invention has the beneficial effects as follows: present invention employs accurate line slide rail and slide block, greatly can reduce the vibration of auto model in moving process, the high-precision and stable realizing auto model is run, thus force balance can be made to test out the aerodynamic force of auto model more accurately, also can test vehicle six component force under different wind direction, different wind speed, the different speed of a motor vehicle; This system cost is low, principle simple and processing ease; And being applicable to the wind tunnel test of aerodynamic force when multiple vehicular traffic is positioned at different line form, the scope of application is very wide.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of moving vehicle model wind tunnel test device on bridge.
Fig. 2 is A-A place cross-sectional view in Fig. 1.
In figure: 1, auto model; 2, bridge model; 3, slide rail platform; 4, force balance; 5, force-measuring support; 6, slide block; 7, slide block connecting link; 8, Timing Belt; 9, slide rail platform; 10, support; 11, stretching pulley; 12, base plate; 13, wind tunnel floor; 14, wheel carrier is with; 15, belt wheel; 16, servomotor; 17, driving-belt; 18, accurate line slide rail; 19, speed pickup.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described: a kind of based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, comprise auto model 1, force balance 4, speed pickup 19, trailer system, and the bridge model 2 to be supported by support 10, also comprise the accurate line slide rail 18 be fixedly installed on described bridge model Bridge 2 face, described accurate line slide rail 18 is provided with the carriage be connected with trailer system, and described carriage is fixed in auto model 1; Arrange the speed pickup 19 of some on the bridge floor of bridge model 2, speed pickup 19 is non-contacting sensor, for test slider 6 by time speed.Bridge model 2 is uniform cross section along length, and auto model 1 can be the model of the ground traffic tools such as automobile or train, and the present embodiment selects train model.
Wherein, carriage to be fixedly connected with by slide block connecting link 7 by more than one slide block 6 and to form, and be provided with U-shaped chute bottom described slide block 6, chute is fastened on described accurate line slide rail 18, and the present embodiment selects 3 slide blocks 6.Accurate line slide rail 18 is supporting systems with slide block 6, and be generally alloy aluminum goods, lot of domestic and international brand can meet this requirement, and its precision requirement is generally P level.Gap between slide block 6 and accurate line slide rail 18 can be controlled within the scope of 30 μm, substantially reduces the vibration of auto model 1, makes the aerodynamic force of the direct accurately testing vehicle model 1 of employing balance become possibility.Small-sized (15mm) of accurate line slide rail 18 is after embedding bridge floor (high ferro free beam model bridges face width 600mm), very little to the interference of air-flow.
Force balance 4 is six COMPONENT BALANCE, has the advantages that single shaft overload capacity is strong, is connected with data acquisition and treating apparatus.Force balance 4 is fixedly mounted on auto model 1 center, is positioned at directly over accurate line slide rail 18, is fixed on slide block connecting link 7 by force-measuring support 5.
The bridge floor of bridge model 2 is provided with the U-rail groove for installing described accurate line slide rail 18, and the width of U-rail groove is greater than the width of slide block 6, and the surface of contact of accurate line slide rail 18 and slide block 6 and bridge floor are same plane; Precise linear guide 8 embeds in the U-rail groove in bridge model Bridge 2 face, below is provided with the slide rail platform 3 be made up of rectangular steel plates, slide rail platform 3 is fixed on slide rail platform 9, slide rail platform 9 is fixed on the support 10 of bridge model 2, can be used for the vertical ride comfort adjusting slide rail platform 3.
Trailer system comprises two of being positioned at bridge model 2 two ends and is arranged on belt wheel 15 on band wheel carrier 14 and Timing Belt 8, described Timing Belt 8 is at the bottom of bridge model Bridge 2 face and bridge and two belt wheels 15 1 weeks, and the two ends of the two ends of Timing Belt 8 connection sliding block connecting link 7 respectively.Timing Belt 8 at the bottom of bridge model Bridge 2 through support 10, and moves down the tensile force increasing Timing Belt 8 by stretching pulley 11.Belt wheel 15 is driven by driving-belt 17 by servomotor 16, drives Timing Belt 8 to draw slide block connecting link 7, thus realizes auto model 1 and move on bridge floor, and with speed pickup 19 test slider 6 by time speed, check the accuracy of trailer system.
Adopt Timing Belt 8 be because: it is accurate that Timing Belt 8 has transmission, fricton-tight during work, has constant ratio of gear; Stable drive, have buffering, damping capacity, noise is low; Transmission efficiency is high, can reach 0.98, the features such as energy-saving effect is obvious.The transmission successful of Timing Belt 8 than wire rope or belt high, it can control the sliding speed of auto model 1 more accurately, and simulation test can be made closer to actual conditions.
The support of bridge model 2 is also fixed with base plate 12 10 times, and base plate 12 is a horizontal steel plate, plays firm effect, is placed on wind tunnel floor 13 during test.
During work, the beam wind perpendicular to bridge direction is provided to act on auto model 1 and bridge model 2 by wind-tunnel, servomotor 16 drives Timing Belt 8 to draw slide block 6 and moves, by controlling the rotating speed regulation speed of servomotor 16, before auto model 1 moves, force balance 4 starts the six square phase data suffered by collection vehicle model 1, at vehicle after the motion process of " accelerating-steadily-deceleration ", stops gathering; And adopt the movement velocity of speed pickup 19 testing vehicle.The data of steady section are adopted during data processing.This device can carry out two car intersection, queue driving and overtaking experiment, after to bridge floor appropriate reconstruction, also can testing vehicle by the aerodynamic force of vehicle during tunnel face.
Claims (6)
1. one kind based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, comprise auto model (1), force balance (4), speed pickup (19), trailer system, and the bridge model (2) to be supported by support (10), it is characterized in that, also comprise the accurate line slide rail (18) be fixedly installed on described bridge model (2) bridge floor, described accurate line slide rail (18) is provided with the carriage be connected with trailer system, and described carriage is fixed in auto model (1); Described force balance (4) is fixed on described carriage by force-measuring support (5); Described speed pickup (19) is arranged on the bridge floor of described bridge model (2).
2. according to claim 1 based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, it is characterized in that, described carriage to be fixedly connected with by slide block connecting link (7) by more than one slide block (6) and to form, described slider bottom is provided with U-shaped chute, and chute is fastened on described accurate line slide rail (18).
3. according to claim 1 based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, it is characterized in that, the bridge floor of described bridge model (2) is provided with the U-rail groove for installing described accurate line slide rail (18), the width of U-rail groove is greater than the width of described carriage, and surface of contact and the bridge floor of accurate line slide rail (18) and carriage are same plane; Described accurate line slide rail (18) below is provided with slide rail platform (3), and slide rail platform (3) is fixed on slide rail platform (9), and slide rail platform (9) is fixed on the support (10) of described bridge model (2).
4. according to claim 1 based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, it is characterized in that, described trailer system comprises two belt wheels (15) be arranged on band wheel carrier (14) being positioned at bridge model (2) two ends, and described belt wheel (15) is driven by driving-belt (17) by servomotor (16); Also comprise Timing Belt (8), described Timing Belt (8) is at the bottom of bridge model (2) bridge floor and bridge and two belt wheels (15) weeks, and the two ends of Timing Belt (8) connect the two ends of described carriage respectively.
5. according to claim 4 based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, it is characterized in that, described trailer system also comprises the stretching pulley (11) for increasing Timing Belt (8) tension force be arranged at the bottom of described bridge model (2) bridge.
6. according to any one of claim 1-5 based on moving vehicle model wind tunnel test device on the bridge of accurate line slide rail, it is characterized in that, also comprised the base plate (12) of firm effect, described base plate (12) is fixed under the support (10) of described bridge model (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510075250.6A CN104655390B (en) | 2015-02-12 | 2015-02-12 | Mobile vehicle model wind tunnel test device on bridge based on accurate line slide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510075250.6A CN104655390B (en) | 2015-02-12 | 2015-02-12 | Mobile vehicle model wind tunnel test device on bridge based on accurate line slide rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104655390A true CN104655390A (en) | 2015-05-27 |
| CN104655390B CN104655390B (en) | 2018-01-05 |
Family
ID=53246780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510075250.6A Expired - Fee Related CN104655390B (en) | 2015-02-12 | 2015-02-12 | Mobile vehicle model wind tunnel test device on bridge based on accurate line slide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104655390B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153351A (en) * | 2016-06-27 | 2016-11-23 | 浙江大学 | For testing the device of automobile pneumatic performance |
| CN107607286A (en) * | 2017-08-25 | 2018-01-19 | 大连理工大学 | A kind of bridge model force test in wind tunnel device for being easy to implement different angle of wind deflection and the wind angle of attack combinations |
| CN107991058A (en) * | 2017-12-18 | 2018-05-04 | 西南交通大学 | For the running train wind tunnel model test system of closed bridge |
| CN108279131A (en) * | 2018-02-13 | 2018-07-13 | 中国汽车工程研究院股份有限公司 | The test method for working condition measurement device and the operating mode of overtaking other vehicles of overtaking other vehicles |
| CN108663189A (en) * | 2018-06-13 | 2018-10-16 | 西南交通大学 | Running train model balance mounting device in a kind of adjustable wind tunnel test |
| CN110006615A (en) * | 2019-04-12 | 2019-07-12 | 中南大学 | The running gear of hot-short wind tunnel model based on principle of inertia driving |
| CN113804395A (en) * | 2021-08-23 | 2021-12-17 | 中国水利水电第五工程局有限公司 | Testing device for simulating loading conditions of rail train and bridge |
| CN114383803A (en) * | 2022-03-22 | 2022-04-22 | 西南交通大学 | Wind tunnel test device for aerodynamic characteristics of pseudo-dynamic vehicle-bridge |
| CN115638951A (en) * | 2022-12-05 | 2023-01-24 | 中国市政工程西南设计研究总院有限公司 | Full-freedom-degree mobile wind tunnel test device for vehicle on bridge |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132923A (en) * | 1987-11-18 | 1989-05-25 | Natl Aerospace Lab | Truncated cone-shaped model wind tunnel testing apparatus equipped with power |
| CN101441137A (en) * | 2009-01-07 | 2009-05-27 | 中南大学 | Brake method and brake device of train pneumatic performance simulation dynamic model trial |
| CN101968399A (en) * | 2010-10-18 | 2011-02-09 | 西南交通大学 | Wind tunnel testing system for vehicle and bridge models |
| CN102539098A (en) * | 2011-12-15 | 2012-07-04 | 东南大学 | Bridge dynamic load testing method based on neural network technology |
| CN102944434A (en) * | 2012-11-30 | 2013-02-27 | 中南大学 | U-shaped wind tunnel test train accelerating system |
| CN102998086A (en) * | 2012-12-11 | 2013-03-27 | 长沙理工大学 | Aerodynamic force testing device for moving vehicles |
| CN103091064A (en) * | 2013-01-09 | 2013-05-08 | 浙江吉利汽车研究院有限公司杭州分公司 | Dynamic impact test equipment |
| CN202994486U (en) * | 2012-11-30 | 2013-06-12 | 中南大学 | A U-shaped wind tunnel testing train accelerating system |
| CN104089751A (en) * | 2014-07-11 | 2014-10-08 | 西南交通大学 | On-bridge moving vehicle model wind tunnel test device |
| CN203965125U (en) * | 2014-07-02 | 2014-11-26 | 李小珍 | A kind of locomotive bridge system wind tunnel test Vehicular brake device based on Stroke Control |
-
2015
- 2015-02-12 CN CN201510075250.6A patent/CN104655390B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132923A (en) * | 1987-11-18 | 1989-05-25 | Natl Aerospace Lab | Truncated cone-shaped model wind tunnel testing apparatus equipped with power |
| CN101441137A (en) * | 2009-01-07 | 2009-05-27 | 中南大学 | Brake method and brake device of train pneumatic performance simulation dynamic model trial |
| CN101968399A (en) * | 2010-10-18 | 2011-02-09 | 西南交通大学 | Wind tunnel testing system for vehicle and bridge models |
| CN102539098A (en) * | 2011-12-15 | 2012-07-04 | 东南大学 | Bridge dynamic load testing method based on neural network technology |
| CN102944434A (en) * | 2012-11-30 | 2013-02-27 | 中南大学 | U-shaped wind tunnel test train accelerating system |
| CN202994486U (en) * | 2012-11-30 | 2013-06-12 | 中南大学 | A U-shaped wind tunnel testing train accelerating system |
| CN102998086A (en) * | 2012-12-11 | 2013-03-27 | 长沙理工大学 | Aerodynamic force testing device for moving vehicles |
| CN103091064A (en) * | 2013-01-09 | 2013-05-08 | 浙江吉利汽车研究院有限公司杭州分公司 | Dynamic impact test equipment |
| CN203965125U (en) * | 2014-07-02 | 2014-11-26 | 李小珍 | A kind of locomotive bridge system wind tunnel test Vehicular brake device based on Stroke Control |
| CN104089751A (en) * | 2014-07-11 | 2014-10-08 | 西南交通大学 | On-bridge moving vehicle model wind tunnel test device |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153351A (en) * | 2016-06-27 | 2016-11-23 | 浙江大学 | For testing the device of automobile pneumatic performance |
| CN106153351B (en) * | 2016-06-27 | 2018-09-21 | 浙江大学 | Device for testing automobile pneumatic performance |
| CN107607286A (en) * | 2017-08-25 | 2018-01-19 | 大连理工大学 | A kind of bridge model force test in wind tunnel device for being easy to implement different angle of wind deflection and the wind angle of attack combinations |
| CN107607286B (en) * | 2017-08-25 | 2019-11-05 | 大连理工大学 | A kind of bridge model wind tunnel force measurement device for realizing different windage yaw and the combination of the wind angle of attack |
| CN107991058A (en) * | 2017-12-18 | 2018-05-04 | 西南交通大学 | For the running train wind tunnel model test system of closed bridge |
| CN108279131A (en) * | 2018-02-13 | 2018-07-13 | 中国汽车工程研究院股份有限公司 | The test method for working condition measurement device and the operating mode of overtaking other vehicles of overtaking other vehicles |
| CN108663189B (en) * | 2018-06-13 | 2019-03-26 | 西南交通大学 | Running train model balance mounting device in a kind of adjustable wind tunnel test |
| CN108663189A (en) * | 2018-06-13 | 2018-10-16 | 西南交通大学 | Running train model balance mounting device in a kind of adjustable wind tunnel test |
| CN110006615A (en) * | 2019-04-12 | 2019-07-12 | 中南大学 | The running gear of hot-short wind tunnel model based on principle of inertia driving |
| CN113804395A (en) * | 2021-08-23 | 2021-12-17 | 中国水利水电第五工程局有限公司 | Testing device for simulating loading conditions of rail train and bridge |
| CN114383803A (en) * | 2022-03-22 | 2022-04-22 | 西南交通大学 | Wind tunnel test device for aerodynamic characteristics of pseudo-dynamic vehicle-bridge |
| CN114383803B (en) * | 2022-03-22 | 2022-06-14 | 西南交通大学 | Wind tunnel test device for aerodynamic characteristics of pseudo-dynamic vehicle-bridge |
| CN115638951A (en) * | 2022-12-05 | 2023-01-24 | 中国市政工程西南设计研究总院有限公司 | Full-freedom-degree mobile wind tunnel test device for vehicle on bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104655390B (en) | 2018-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104655390A (en) | Wind tunnel test device for vehicle model moving on bridge based on precision linear slide rails | |
| CN1090147C (en) | Elevator active drawing device | |
| CN105806576B (en) | A kind of wheel rail relation simulation fatigue test device and method | |
| CN201945454U (en) | Test device for tire | |
| CN102009749B (en) | Simulation system for low-gravity ramble | |
| CN109612749B (en) | Rolling vibration test device for suspended type monorail vehicle | |
| CN104180758B (en) | Axially-moving rope transverse vibration measurement device and method | |
| CN106556520A (en) | Bogie performance test stand | |
| CN200975925Y (en) | Equipment for testing magnetic levitation dynamic performance of high-temperature superconduction block | |
| CN112098022A (en) | Device for static and dynamic load test of bridge model, control method and application | |
| CN109855947B (en) | Double-drive wheel-rail real object rolling contact fatigue testing machine | |
| CN205826310U (en) | Electric Motor Wheel and intelligence suspension system multifunctional integrated experimental bench | |
| CN104764580B (en) | Mobile vehicle model three-dimensional wind load test device on bridge | |
| CN101839809B (en) | Driving tester | |
| CN205538230U (en) | Automobile operation stability rack test test bench | |
| CN102998086B (en) | Aerodynamic force testing device for moving vehicles | |
| CN104671031A (en) | Elevator | |
| CN110806742A (en) | Intelligent automobile ADAS function detection device that rolls off production line | |
| CN209008598U (en) | High-speed magnetic suspension track irregularity detection test device | |
| CN114383803B (en) | Wind tunnel test device for aerodynamic characteristics of pseudo-dynamic vehicle-bridge | |
| CN2670934Y (en) | Gravity type bidirectional analog loading device | |
| CN111751129A (en) | Multifunctional wheel testing mechanism | |
| CN108569302A (en) | A kind of novel locomotive sand sprayer automatic control device | |
| CN203116968U (en) | Drum-type vehicle brake detection apparatus | |
| JP6034387B2 (en) | Chassis dynamometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 |