CN107449594B - Adjustable bearing-roll system dynamic characteristic integration test experimental bench - Google Patents
Adjustable bearing-roll system dynamic characteristic integration test experimental bench Download PDFInfo
- Publication number
- CN107449594B CN107449594B CN201710629950.4A CN201710629950A CN107449594B CN 107449594 B CN107449594 B CN 107449594B CN 201710629950 A CN201710629950 A CN 201710629950A CN 107449594 B CN107449594 B CN 107449594B
- Authority
- CN
- China
- Prior art keywords
- bearing
- component
- tightens
- lead screw
- desktop
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 230000010354 integration Effects 0.000 title claims abstract description 13
- 230000036316 preload Effects 0.000 claims abstract description 23
- 230000010287 polarization Effects 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 230000005672 electromagnetic field Effects 0.000 claims description 2
- 239000000306 component Substances 0.000 description 43
- 238000001514 detection method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Support Of The Bearing (AREA)
Abstract
The present invention relates to a kind of dynamic characteristic integration test experimental benches of adjustable bearing-roll system, component is pre-tightened including bearing radial positioning, bearing axial preload component, bearing polarization measurement component, lead screw guide rails component and experimental bench desktop component, lead screw guide rails component is housed on the desktop in the experimental bench desktop component, guide rail left plate in lead screw guide rails component with bearing radial positioning connected by spring respectively in support plate pre-tighten component, wherein, one bearing radial positioning pre-tightens the bearing that clamping is tested in component, and bearing polarization measurement component is installed in the support frame lower part that bearing radial positioning pre-tightens component, another bearing radial positioning pre-tightens component and installs bearing axial preload component by connecting plate.The dynamic characteristic integration test experimental bench of adjustable of the invention is able to achieve bearing-roll system dynamic characteristic test of different size and standard, provides test experiments foundation for bearing-roll system reasonable selection.
Description
Technical field
The present invention relates to a kind of bearing-roll system dynamic characteristic test device, in particular to a kind of High Speed NC Machine Tools
The bearing of electro spindle-roll system dynamic characteristic test mechanism.
Background technique
Bearing-roll system is the critical component in machine, and performance has been largely fixed the operation of machine equipment
Precision and efficiency, if main shaft is the core component of lathe, performance has been largely fixed the machining accuracy and efficiency of lathe,
When selecting main shaft then it should be understood that its performance, and the performance of main shaft depends primarily on bearing-roll system dynamic characteristic, no
Same bearing-roll system has different specification and standard, instantly domestic also to have carried out bearing-roll system dynamic characteristic detection
Research, have made some progress.But the model that research is established both at home and abroad at present is only intended to certain specific bearings, for axis
Hold-detection device of roll system dynamic characteristic is excessively cumbersome, therefore, it is necessary to study to reduce workload and improve detection
The bearing of efficiency-roll system dynamic characteristic comprehensive detection experimental bench is realized to different size bearing-roll system dynamic characteristic
Detection, for High Speed NC Machine Tools work and application better prospect is provided.
Summary of the invention
The main object of the present invention is to realize the dynamic characteristic detection function towards different bearing-roll systems, and mentions
For a kind of dynamic characteristic integration test experimental bench of adjustable bearing-roll system, which is divided into two parts, i.e.,
Bearing is axial, radial positioning pre-tightens and main shaft polarization.During bearing axis radially applies pretightning force, by pressure sensor come
Obtain data；Radial positioning, which is pre-tightened, applies radial tightening power, axial preload to bearing by installing semi arch additional on V-arrangement platform
Apply sizable pretightning force on semi arch by oil cylinder to complete；Main shaft polarization measurement mainly passes through magnetic driven exciting
Device and the magnetic sheath installed additional on main shaft complete test, and magnetic driven vibration excitor is a kind of contactless vibration excitor, to bearing-
The dynamic characteristic of roll system does not influence.
To achieve the above object, the invention adopts the following technical scheme:
A kind of dynamic characteristic integration test experimental bench of adjustable bearing-roll system, including bearing radial positioning are pre-
Tight component, bearing axial preload component, bearing polarization measurement component, lead screw guide rails component and experimental bench desktop component, institute
It states and lead screw guide rails component is housed on the desktop in experimental bench desktop component, guide rail left plate and support plate point in lead screw guide rails component
Bearing radial positioning is not connected by spring and pre-tightens component, wherein a bearing radial positioning pre-tightens what clamping in component was tested
Bearing, and bearing polarization measurement component is installed in the support frame lower part that bearing radial positioning pre-tightens component, another bearing is radial
Positioning pre-tightens component and installs bearing axial preload component by connecting plate.
It includes straight-bar, screw rod, vee-block, support frame that the bearing radial positioning, which pre-tightens component, upper and lower in support frame as described above
Portion is respectively provided with vee-block, and vee-block and the guide rod cooperation of support frame two sides are slidably connected, and the connection of vee-block rear end passes through circle spiral shell
Mother connects thrust ball bearing and screw rod with stop washer, and semi arch is placed on the slot of vee-block, and screw tip connects straight-bar, passes through
Straight-bar drives screw rod rotation, completes vee-block and pre-tightens to the adjustable positioning of bearing.Screw rod connects two thrust ball bearings and vee-block,
And thrust ball bearing and screw rod are fixed with round nut and stop washer.
The bearing axial preload component includes main shaft, oil cylinder, axial preload semicircular ring, the connection of main shaft one end
Tested bearing, the other end connect oil cylinder by axial preload semicircular ring, are exerted a force by oil cylinder in axial preload semicircle
The axial preload to tested bearing is completed through main shaft on ring.
The bearing polarization measurement component includes two coils, iron core, magnetic sheath and coil support seat, two coils and iron
Core is mounted in coil support seat, and magnetic sheath is mounted on main shaft, and coil, which is wrapped on iron core, generates electromagnetic field, to produce to magnetic sheath
Magnetisation power drives main shaft polarization, to drive tested bearing polarization.
The lead screw guide rails component includes guide rail, lead screw, feed screw nut, deep groove ball bearing, support plate, sliding block, the guide rail right side
Plate, guide rail left plate, guiderail base and motor.Support plate is fixedly connected by sliding block with feed screw nut, sliding block and is fixed on desktop
On guide rail cooperation be slidably connected, feed screw nut by lead screw connection motor, lead screw one end is mounted on by deep groove ball bearing leads
In rail left plate, the other end is fixed on the table by guide rail right panel, drives support plate mobile through lead screw and feed screw nut by motor,
Realize that adjustable positioning pre-tightens function.
The experimental bench desktop component includes desktop and spring.Four springs are separately mounted to four angles of desktop, support
Entire mechanism for testing.
The beneficial effects of the present invention are: engineer application is directly facing, to exploitation and research check bearing-roll system device
It, can be to a certain extent to bearing-roll system dynamic characteristic inspection technology and bearing-roller with certain reference value
The development and perfection of system dynamic characteristic testing instruments provide certain methods and theory, facilitate using or manufacture bearing-roller
The manufacturer of system correctly understands its performance parameter, compares and selects, make bearing-roll system performance test field more
Added with foundation, more maturing.
After adopting the above technical scheme, the present invention has the advantages that compared with existing background technique
(1) bearing-roll system dynamic characteristic test experience platform has independence
It can individually complete a whole set of bearing-roll system dynamic characteristic detection work, without multinomial complementary survey
Test-run a machine structure carries out coordination test, while guaranteeing its globality, also can more accurately test performance parameter, exciting data,
And then simplifies testing procedure and reduce difficulty of test.
(2) bearing-roll system dynamic characteristic test experience platform has mobility
Entire test experience platform is convenient to mount and dismount, and can make corresponding position tune under various different numerically-controlled machine tool actual environments
Whole, installation positioning facilitates easily operated, and adaptability is stronger.
(3) bearing-roll system dynamic characteristic test experience platform has simplicity
Entire mechanism can in a limited space in complete matched bearings-roll system dynamic characteristic detection.Overall structure
Simply, small in size, it is easy to adjust.
Detailed description of the invention
Fig. 1 is the structural perspective of integration test experimental bench of the invention；
Fig. 2 is the top view of integration test experimental bench of the invention；
Fig. 3 is lead screw guide rails component enlarged drawing of the invention；
Fig. 4 is axial preload component full sectional view of the invention；
Fig. 5 is general arrangement of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 5, adjustable of the invention bearing-roll system dynamic characteristic integration test experimental bench,
Including bearing radial positioning pre-tighten component, bearing axial preload component, bearing polarization measurement component, lead screw guide rails component and
Experimental bench desktop component.Lead screw guide rails component is housed, in lead screw guide rails component on the desktop 21 in the experimental bench desktop component
Guide rail left plate 29 and support plate 24 on respectively by spring 16 connect bearing radial positioning pre-tighten component, wherein a bearing
Radial positioning pre-tightens the bearing 10 that clamping is tested in component, and installs in 15 lower part of support frame that bearing radial positioning pre-tightens component
There is bearing polarization measurement component, another bearing radial positioning pre-tightens component and installs bearing axial preload group by connecting plate 26
Part.
It includes straight-bar 1, screw rod 2, vee-block 8, support frame 15 that bearing radial positioning, which pre-tightens component, gone up in support frame as described above 15,
Lower part is respectively provided with vee-block 8, and vee-block 8 and the cooperation of guide rod 4 of 15 two sides of support frame are slidably connected, the connection of 8 rear end of vee-block
Thrust ball bearing 5 and screw rod 2 are connected by round nut 7 and stop washer 6, semi arch 9 is placed on the slot of vee-block 8, screw rod 2 pushes up
Portion connects straight-bar 1, drives screw rod 2 to rotate by straight-bar 1, completes vee-block 8 and pre-tightens to the adjustable positioning of bearing 10.Screw rod 2 connects
Two thrust ball bearings 5 and vee-block 8, and thrust ball bearing 5 and screw rod 2 are fixed with round nut 7 and stop washer 6.
Bearing axial preload component includes main shaft 11, oil cylinder 27, axial preload semicircular ring 37,11 one end of main shaft
The tested bearing 10 of connection, the other end connect oil cylinder 27 by axial preload semicircular ring 37, are exerted a force by oil cylinder 27 in axial direction
Positioning pre-tightens and completes the axial preload to tested bearing 10 through main shaft 11 in semicircular ring 37.
Bearing polarization measurement component includes two coils 13, iron core 12, magnetic sheath 36 and coil support seat 14, two coils
13 and iron core 12 be mounted in coil support seat 14, magnetic sheath 36 is mounted on main shaft 11, and coil 13, which is wrapped on iron core 12, generates electricity
Magnetic field drives main shaft 11 to polarize to generate magnetic force to magnetic sheath 36, so that tested bearing 10 be driven to polarize.
Such as Fig. 1, shown in 3, lead screw guide rails component includes guide rail 20, lead screw 17, feed screw nut 19, deep groove ball bearing 30, branch
Fagging 24, sliding block 18, guide rail right panel 31, guide rail left plate 29, guiderail base 28 and motor 23.Support plate 24 passes through sliding block 18 and silk
Thick stick nut 19 is fixedly connected, and sliding block 18 is slidably connected with the cooperation of guide rail 20 being fixed on desktop 21, and feed screw nut 19 passes through silk
Thick stick 17 connects motor 23, and 17 one end of lead screw is mounted in guide rail left plate 29 by deep groove ball bearing 30, and the other end passes through the guide rail right side
Plate 31 is fixed on desktop 21, is driven support plate 24 mobile through lead screw 17 and feed screw nut 19 by motor 23, is realized adjustable
Positioning pre-tightens function.
Experimental bench desktop component includes desktop 21 and spring 22.Four springs 22 are separately mounted to four angles of desktop 21,
Support entire mechanism for testing.
1. axis radial direction pretightning force measures
The test of pretightning force can pass through the size of pretightning force suffered by determination of pressure sensor bearing outer ring and bearing axial direction
Variation, and then realize adjustable whole to bearing axis radial direction pretightning force.
2. different model rolling bearing adjustable positioning pre-tightens
It includes vee-block 8 that bearing radial positioning, which pre-tightens component, connects two thrust ball bearings 5 and vee-block 8 by screw rod 2,
And be placed on the slot of vee-block 8 with round nut 7 and the fixed thrust ball bearing 5 of stop washer 6 and screw rod 2 and semi arch 9, directly
Bar 1 is connect with screw rod 2, and bearing axis radial positioning pre-tightens component and connect support with spring 16 by support frame 15.Pass through 1 band of straight-bar
Dynamic screw rod 2 rotates, and completes vee-block 8 and pre-tightens to the adjustable positioning of bearing 10.
3. bearing-roll system polarization measurement
Magnetic driven vibration excitor is mainly made of coil 13 and iron core 12, and there are two coils 13, and one is magnet exciting coil, is passed to
DC current generates constant bias magnetic field；The other is driving coil, supplies pumping signal by outside source.Work as driving
When coil passes to alternating current, iron core 12 just generates the suction of alternation to magnetic sheath 36, to evoke the vibration of main shaft and bearing.
4. the application of lead screw guide rails
Lead screw guide rails component includes guide rail 20, lead screw 17, feed screw nut 19, deep groove ball bearing 30, support plate 24 and sliding block
18, guide rail right panel 31, guide rail left plate 29, guiderail base 28 and motor 23.Support plate 24 and sliding block 18 and feed screw nut 19 are fixed,
Feed screw nut 19 is connect with lead screw 17, and lead screw 17 drives support plate 24 mobile by motor 23 and deep groove ball bearing 23, and realization can
Adjustment type positioning pre-tightens function.
Claims (4)
1. a kind of dynamic characteristic integration test experimental bench of adjustable bearing-roll system, including bearing radial positioning pre-tighten
Component, bearing axial preload component, bearing polarization measurement component, lead screw guide rails component and experimental bench desktop component, it is special
Sign is: lead screw guide rails component, the guide rail in lead screw guide rails component are housed on the desktop (21) in the experimental bench desktop component
Bearing radial positioning is connected by spring (16) respectively in left plate (29) and support plate (24) and pre-tightens component, wherein a bearing
Radial positioning pre-tightens the bearing (10) that clamping is tested in component, and pre-tightens support frame (15) lower part of component in bearing radial positioning
Bearing polarization measurement component is installed, another bearing radial positioning pre-tightens component and installs bearing axially position by connecting plate (26)
Pre-tighten component；The bearing axial preload component includes main shaft (11), oil cylinder (27), axial preload semicircular ring
(37), the tested bearing (10) of main shaft (11) one end connection, the other end connect oil cylinder by axial preload semicircular ring (37)
(27), it is completed through main shaft (11) to tested bearing (10) on axial preload semicircular ring (37) by oil cylinder (27) force
Axial preload；The bearing polarization measurement component includes two coils (13), iron core (12), magnetic sheath (36) and coil branch
It supportting seat (14), two coils (13) and iron core (12) are mounted in coil support seat (14), and magnetic sheath (36) is mounted on main shaft (11),
Coil (13) is wrapped on iron core (12) and generates electromagnetic field, to generate magnetic force to magnetic sheath (36), drives main shaft (11) polarization,
To drive tested bearing (10) polarization.
2. the dynamic characteristic integration test experimental bench of adjustable bearing-roll system according to claim 1, feature
Be: it includes straight-bar (1), screw rod (2), vee-block (8), support frame (15), the support that the bearing radial positioning, which pre-tightens component,
Frame (15) interior upper and lower part is equipped with vee-block (8) respectively, and vee-block (8) and the guide rod (4) of support frame (15) two sides cooperate sliding
Connection, the connection of vee-block (8) rear end pass through round nut (7) and stop washer (6) connection thrust ball bearing (5) and screw rod (2), V-arrangement
Semi arch (9) are placed on the slot of block (8), connect straight-bar (1) at the top of screw rod (2), screw rod (2) rotation is driven by straight-bar (1), it is complete
Forming V-shape block (8) pre-tightens the adjustable positioning of bearing (10), and screw rod (2) connects two thrust ball bearings (5) and vee-block (8), and
With round nut (7) and stop washer (6) fixed thrust ball bearing (5) and screw rod (2).
3. the dynamic characteristic integration test experimental bench of adjustable bearing-roll system according to claim 1, feature
Be: the lead screw guide rails component includes guide rail (20), lead screw (17), feed screw nut (19), deep groove ball bearing (30), support plate
(24), sliding block (18), guide rail right panel (31), guide rail left plate (29), guiderail base (28) and motor (23), support plate (24) pass through
Sliding block (18) is fixedly connected with feed screw nut (19), and sliding block (18) connects with guide rail (20) the cooperation sliding being fixed on desktop (21)
It connects, feed screw nut (19) is mounted on by lead screw (17) connection motor (23), lead screw (17) one end by deep groove ball bearing (30)
In guide rail left plate (29), the other end is fixed on desktop (21) by guide rail right panel (31), by motor (23) through lead screw (17) and
Feed screw nut (19) drives support plate (24) mobile, realizes that adjustable positioning pre-tightens function.
4. the dynamic characteristic integration test experimental bench of adjustable bearing-roll system according to claim 1, feature
Be: the experimental bench desktop component includes desktop (21) and spring (22), and four springs (22) are separately mounted to desktop (21)
Four angles, support entire mechanism for testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629950.4A CN107449594B (en) | 2017-07-28 | 2017-07-28 | Adjustable bearing-roll system dynamic characteristic integration test experimental bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629950.4A CN107449594B (en) | 2017-07-28 | 2017-07-28 | Adjustable bearing-roll system dynamic characteristic integration test experimental bench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107449594A CN107449594A (en) | 2017-12-08 |
| CN107449594B true CN107449594B (en) | 2019-10-29 |
Family
ID=60489501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710629950.4A Expired - Fee Related CN107449594B (en) | 2017-07-28 | 2017-07-28 | Adjustable bearing-roll system dynamic characteristic integration test experimental bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449594B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187026A (en) * | 2018-11-13 | 2019-01-11 | 哈尔滨理工大学 | High-speed high-precision electric mainshaft bearing is comprehensive performance test bed |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2876755Y (en) * | 2006-03-10 | 2007-03-07 | 王滢 | Bearing dynamic performance tester |
| CN103105296B (en) * | 2013-01-23 | 2015-07-01 | 南京理工大学 | Testing device for bearing dynamic characteristic parameters |
| CN103323248B (en) * | 2013-07-04 | 2015-07-08 | 南京理工大学 | Dynamic and static characteristic parameter testing device of angular contact ball bearing |
| CN103868691B (en) * | 2014-03-06 | 2016-03-02 | 南京理工大学 | Angular contact ball bearing dynamic parametric test device |
| CN105784367B (en) * | 2016-04-06 | 2018-05-11 | 吉林大学 | Rail car axle box bearings synthesis performance and axle head grounding device wear test platform |
-
2017
- 2017-07-28 CN CN201710629950.4A patent/CN107449594B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107449594A (en) | 2017-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10627313B2 (en) | Device for detecting wheel hop | |
| CN102866355B (en) | Linear motor power performance testing device used for numerical control direct feeding shaft | |
| CN106895972B (en) | A kind of stick-slip experimental rig | |
| CN102528436A (en) | Instrument bearing assembly device | |
| CN107449594B (en) | Adjustable bearing-roll system dynamic characteristic integration test experimental bench | |
| CN112344884B (en) | Coaxiality and clearance measuring device for frame assembly | |
| CN112903228B (en) | Magnetic force excitation bolt joint vibration failure experimental device and testing method | |
| CN202949331U (en) | Tool for assembling motor rotor magnetic steel | |
| CN203722433U (en) | Permanent-magnet-motor weftless-tape winder | |
| CN103831668B (en) | A kind of automobile hub unit outer ring automatically measure cubing | |
| CN206192275U (en) | Laser disk axle class part measuring appearance | |
| CN205720454U (en) | A kind of fexible unit measuring motor stator winding phase sequence | |
| CN206068846U (en) | A kind of drive apparatus for the two-sided detection of circuit board | |
| CN102133709A (en) | Position correcting device for positioning gear in automobile seat | |
| CN111390620A (en) | Structure for supporting low-speed large-torque electric spindle machine tool fixture by magnetic suspension | |
| CN107576500B (en) | Automobile engine tension wheel shaft bearing vibration mechine and its method for testing vibration | |
| CN116418180A (en) | Adjustable stator coil machining tool and machining method | |
| CN116678617A (en) | Precision measuring device of small-lead planetary roller screw | |
| CN109848254A (en) | A kind of line rail automatic alignment machine | |
| CN211504012U (en) | High-precision laser detection device for radial runout of motor shaft core | |
| CN208727932U (en) | A kind of low-frequency sound pressure generating device | |
| CN103091120B (en) | Stroke testing tool for special purpose of underground pulse occurring tool | |
| CN205719361U (en) | A kind of linear motor static force placement property test device | |
| CN104122024A (en) | Automobile door lock unlocking force measuring device | |
| JP2022187967A (en) | Three-dimensional force loading device of electric spindle |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |