CN105225592A - A kind of collapse rock-fall model test apparatus - Google Patents
A kind of collapse rock-fall model test apparatus Download PDFInfo
- Publication number
- CN105225592A CN105225592A CN201510643930.3A CN201510643930A CN105225592A CN 105225592 A CN105225592 A CN 105225592A CN 201510643930 A CN201510643930 A CN 201510643930A CN 105225592 A CN105225592 A CN 105225592A
- Authority
- CN
- China
- Prior art keywords
- bolt
- slope
- riser
- base plate
- arc chute
- 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
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/40—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for geology
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geology (AREA)
- Mathematical Optimization (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mathematical Analysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of collapse rock-fall model test apparatus, be made up of the slope angle of full angle spin canting (1) and adjustable full angle spin canting (1), slope auxiliary support mechanism that is high and slope type; Full angle spin canting (1) is made up of by gemel connection device (12) is hinged header board (10) and rear plate (11); Described auxiliary support mechanism comprises: the second supporting, greatly base plate (9) that the first supporting that platter (4) and the bearing (3) be arranged on platter (4) are formed, middle base plate (6) and the middle riser (5) with arc chute be arranged on middle base plate (6) are formed and be arranged at the 3rd supporting that the large riser (8) with arc chute on large base plate (9) forms; Apparatus of the present invention can change slope angle, slope type, slope are high, different slopes body structure condition can be studied on the impact of collapse rock-fall bulk movement characteristic, associating shaking table can the correlation properties of collapse rock-fall under Study of Seismic condition, test unit structure is simple, install, dismantle easily, strong operability, has wide promotion prospect.
Description
Technical field
The present invention relates to geologic hazard model test apparatus field, particularly relate to a kind of model test apparatus of collapse rock-fall.
Background technology
Collapse rock-fall is one of common geologic hazard in mountain area, its occurrence frequency is high, by force sudden, randomness is large, and forms of motion is various, and track is complicated, difficulty of prevention and cure is large, bring very big destruction often to the buildings in the zone of influence, jeopardizing people life property safety in falling rocks range of influence, is the geologic hazard type of mountain area guard key.The research Initiated Mechanism of collapse rock-fall, kinetic characteristic carry out prerequisite that collapse rock-fall effectively prevents and treats and basis.At present, RESEARCH ON THE COLLAPSE AND FALLING STONE method mainly comprises theoretical analysis, numerical simulation, site test and model test.Wherein, theoretical analysis otherwise just on kinematic basis by carrying out theory deduction after some supposition, or the influence factor to falling rocks kinetic characteristic, considers comprehensive not; Numerical simulation is based upon on certain hypothesis basis, is the idealized of realistic simulation, is subject to all many-sided restrictions such as model parameter, and correctness needs to be verified further; Site test limit by place, and test condition is single, and acquired results universality is limited, is not suitable for carrying out statistical research to parameter, and time-consuming effort, both expensive, security is poor, complete independently relative difficulty; Under model test condition, test condition is relatively controlled, be convenient to setting slope type, slope angle, slope high condition, consuming time short, cost is few, comparatively safe, repeatable strong, test findings has good applicability to actual collapse rock-fall, the correlation properties that model test can shake off stone over the ground in conjunction with shaking table are in addition studied, and are the important means of research collapse rock-fall.
Good model test apparatus is the prerequisite that model test is carried out smoothly, test figure possesses high confidence level, therefore selects correct model test apparatus to be one of key factor of model test success or not.The slope type of side slope, slope are high, slope angle and earthquake are the key factors affecting collapse rock-fall kinetic characteristic, and test unit function is comparatively single at present, slope angle can not single immutable, the high limited adjustment only in slope of consecutive variations, slope type, domatic condition fixed single, geological process cannot be considered, and test unit is heavy, not easily install and dismantle, operability is poor.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of collapse rock-fall model test apparatus, effectively can solving slope angle, to be difficult to consecutive variations, slope type and slope high single and be difficult to accurately consider the problems such as geological process, approach actual conditions, improve model test level.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A kind of collapse rock-fall model test apparatus, is made up of the slope angle of full angle spin canting 1 and adjustable full angle spin canting 1, slope auxiliary support mechanism that is high and slope type; Full angle spin canting 1 is made up of by gemel connection device 12 is hinged header board 10 and rear plate 11; Described auxiliary support mechanism comprises: the second supporting that the first supporting that platter 4 and the bearing 3 be arranged on platter 4 are formed, middle base plate 6 and the middle riser 5 with arc chute be arranged on middle base plate 6 are formed, large base plate 9 and be arranged at the 3rd supporting that the large riser 8 with arc chute on large base plate 9 forms; Have two bolt frids (2a and 2b) below full angle spin canting 1, a bolt frid 2a is connected with bearing 3 by bolt, and another bolt frid 2b is by arc chute and middle riser 5 bolt-connection; Be arranged on length dashpot 7 below rear plate 11 by arc chute and large riser 8 bolt-connection.
Described first supporting, the second supporting, the 3rd supporting become to be symmetrical arranged along full angle spin canting 1 length direction.
Platter 4, middle base plate 6, large base plate 9 all there is screw, is bolted on shaking table or other devices.
Like this, in apparatus of the present invention: full angle spin canting 1 is make front and back two plate can wrap page connector 12 central shaft full angle freely to rotate under the effect of gemel connection device 12, and then slope, inclined-plane type freely switches between plane slope, fovea superior broken line slope, recessed broken line slope.
Header board 10 positioned beneath of full angle spin canting 1 has bolt frid 2b, this bolt frid 2b center is at the point midway place of header board 10 and rear plate 11 junction, and be only connected with header board 10, be not connected with rear plate 11, this kind of mode ensures that full angle spin canting 1 also can be able to rotate between header board 10 and rear plate 11 while the deep-slotted chip breaker rotation on middle riser 5.
Length dashpot 7 is arranged on rear plate 11 end of full angle spin canting 1, the arc chute conbined usage of it and middle riser 5 and large riser 8, play length buffer action when changing full angle spin canting 1 slope type, slope angle, slope height, after when the length of length dashpot 7 is changed by slope type, the difference of maximal value and minimum value that plate 11 is in the length between middle riser 5 and large riser 8 determines.
The circular arc that the arc chute center line of middle riser 5 is is the center of circle with the center of bearing 3 screw, its radius is the centre distance of middle riser 5 arc chute center line to bearing 3 screw.
The object arranging middle riser 5 arc chute makes the header board 10 of full angle spin canting 1 can with the center of bearing 3 screw for rotating in the center of circle.Bolt frid 2b and middle riser 5 upper hopper chute are bolted, release bolt, and header board 10 can slide around middle riser 5 arc chute, and slope angle and the slope of adjustment header board 10 are high, clamping screw, and fixing full angle spin canting 1 turning axle is in assigned address.
Large riser 8 is provided with arc chute, the circular arc that arc chute center line is is the center of circle with the center of bearing 3 screw, and its radius is the centre distance of large riser 8 arc chute center line to bearing 3 screw.
The object arranging large riser 8 arc chute is that rear plate 11 can be rotated by axle centered by the turning axle of gemel connection device 12, body of bolt is through length dashpot 7 and chute, release bolt, rear plate 11 slides around large riser 8 arc chute, slope angle and the slope of the rear plate 11 of adjustment are high, thus change the slope type of full angle spin canting 1; Clamping screw, is arranged and to lock the slope of full angle spin canting 1 high.
Two bolt frids (2a and 2b) are made up of equal angle, and a wing has circular hole, are placed in the rear and front end of the header board 10 of full angle spin canting 1, place bolt, play a part to connect riser and bearing 3, header board 10.
The invention has the beneficial effects as follows:
Provide and a kind ofly change the high collapse rock-fall analogue means in slope angle, slope type, slope, different slopes body structure condition can be studied on the impact of collapse rock-fall bulk movement characteristic.In addition, earthquake is one of principal element causing crag avalanche, utilizes model equipment, and associating shaking table can the correlation properties of collapse rock-fall under Study of Seismic condition.Test unit structure of the present invention is simple, and install, dismantle easily, strong operability, has wide promotion prospect.
Accompanying drawing explanation
Fig. 1 is a kind of collapse rock-fall model test apparatus of the present invention side view;
Fig. 2 is full angle spin canting;
Fig. 3 is bolt frid sketch; Wherein, (a) is front view, and (b) is side view.
Fig. 4 is length dashpot sketch; Wherein, (a) is front view, and (b) is side view.
Mark and corresponding parts title in accompanying drawing:
1-full angle spin canting, 2a-bolt frid, 2b-bolt frid, 3-bearing, 4-platter, riser in 5-, base plate in 6-, 7-length dashpot, the large riser of 8-, the large base plate of 9-, 10-header board, plate after 11-, 12a and 12b-gemel connection device.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of collapse rock-fall of the present invention model test apparatus component comprises full angle spin canting 1, platter 4, middle base plate 6, large base plate 9, the bearing 3 be arranged on platter 4, the middle riser 5 be arranged on middle base plate 6, the large riser 8 be arranged on large base plate 9, is arranged at the bolt frid (2a and 2b) below full angle spin canting 1 and length dashpot 7.Wherein full angle spin canting 1 comprises header board 10, rear plate 11 and gemel connection device 12, and gemel connection device 12 has 12a and 12b two elements.Bearing 3, middle riser 5, large riser 8 respectively with platter 4, middle base plate 6, large base plate 9 links together, the header board 10 of full angle spin canting 1, on the left of rotating shaft and after plate 11 be mounted with bolt frid 2a respectively, bolt frid 2b and length dashpot 7, bearing 3 is linked together by bolt and header board 10 by bolt frid 2a, middle riser 5 is linked together by bolt and full angle spin canting 1 by bolt frid 2b, large riser 8 is linked together by plate 11 after bolt and full angle spin canting 1 by length dashpot 7, platter 4, middle base plate 6, large base plate 9 all there is screw, by bolt, device is fixed on shaking table or other devices.
Described full angle spin canting 1 is connected to form by gemel connection device 12 by header board 10 and rear plate 11, the effect of gemel connection device 12 makes header board 10 and rear plate 11 can wrap page connector 12 central shaft full angle freely to rotate, and then slope, inclined-plane type is freely changed between plane slope, fovea superior broken line slope, recessed broken line slope.The header board 10 of full angle spin canting 1 is connected by bolt on bolt frid 2a with bearing 3; On the left of rotating shaft, bolt frid 2b is installed below header board 10, this bolt frid 2b center is at the point midway place of header board 10 and rear plate 11 junction, and be only connected with header board 10, be not connected with rear plate 11, it is ensure that full angle spin canting 1 while the deep-slotted chip breaker on middle riser 5 rotates, also can be able to rotate between header board 10 and rear plate 11 that this kind of mode connects; Rear plate 11 1 side-lower is also provided with length dashpot 7, and bolt is connected rear plate 11 with the deep-slotted chip breaker on large riser 8 through length dashpot 7 with large riser 8.
Bearing 3 has the unitized construction by A-frame and nut, it is mounted with nut, header board 10 and bearing 3 link together through the nut on bearing 3 and the bolt frid 2a below header board 10 by bolt, loose bolts, full angle spin canting 1 is that rotating shaft is rotated with bolt, to adjust the domatic angle of inclination of full angle spin canting 1, clamping screw, the header board 10 of full angle spin canting 1 is fixed, and header board 10 can not translation and rotation.
Described middle riser 5 is provided with arc chute, the circular arc that arc chute center line is is the center of circle with the center of bearing 3 screw, its radius is the centre distance of middle riser 5 arc chute center line to bearing 3 screw, the object arranging middle riser 5 arc chute makes the header board 10 of full angle spin canting 1 can with the center of bearing screw for rotating in the center of circle, body of bolt is through bolt frid 2b and chute, release bolt, the header board 10 of full angle spin canting 1 slides around middle riser 5 arc chute, and slope angle and the slope of adjustment header board 10 are high; Clamping screw, fixing full angle spin canting 1 turning axle is in assigned address.
Large riser 8 is provided with arc chute, the circular arc that arc chute center line is is the center of circle with the center of bearing 3 screw, its radius is the centre distance of large riser 8 arc chute center line to bearing 3 screw, and the object arranging large riser 8 arc chute makes the rear plate 11 of full angle spin canting 1 axle center of gemel connection device 12 be that turning axle rotates.Body of bolt passes length dashpot 7 and chute, release bolt, and the rear plate 11 of full angle spin canting 1 slides around large riser 8 arc chute, and slope angle and the slope of the rear plate 11 of adjustment are high, thus change the slope type of full angle spin canting 1; Clamping screw, the slope arranging full angle spin canting 1 is high.
Length dashpot 7 is made by equal angle, one wing has groove, length dashpot 7 is arranged on rear plate 11 end of full angle spin canting 1, the arc chute conbined usage of it and middle riser 5 and large riser 8, plays length buffer action when changing full angle spin canting 1 slope type, slope angle, slope height.After when the length of length dashpot 7 is changed by slope type, the difference of maximal value and minimum value that plate 11 is in the length between middle riser 5 and large riser 8 determines.
Platter 4, middle base plate 6, large base plate 9 are made up of steel plate, and it has bolt hole, and it is fixed that bolt hole number looks shaking table bolt hole spacing.
Described bolt frid (2a and 2b) is made up of equal angle, and a wing has circular hole, is arranged on the rear and front end of the header board 10 of full angle spin canting 1, places bolt, plays connection board and bearing 3, header board 10.
Just explain through diagrams described in above it is pointed out that some principles of a kind of collapse rock-fall simulation test device of the present invention, is easy to carry out some amendments and change on this basis due to the those of ordinary skill concerning constructed field.Therefore, this instructions be not the present invention to be confined to shown in and in described concrete structure and the scope of application, therefore every corresponding modify of being likely utilized and equivalent, all belong to the scope of the claims that the present invention applies for.
Claims (5)
1. a collapse rock-fall model test apparatus, is characterized in that, is made up of the slope angle of full angle spin canting (1) and adjustable full angle spin canting (1), slope auxiliary support mechanism that is high and slope type; Full angle spin canting (1) is made up of by gemel connection device (12) is hinged header board (10) and rear plate (11); Described auxiliary support mechanism comprises: the second supporting, greatly base plate (9) that the first supporting that platter (4) and the bearing (3) be arranged on platter are formed, middle base plate (6) and the middle riser (5) with arc chute be arranged on middle base plate are formed and be arranged at the 3rd supporting that the large riser (8) with arc chute on large base plate (9) forms; Full angle spin canting (1) below has two bolt frids (2a and 2b), a bolt frid (2a) is connected with bearing (3) by bolt, and another bolt frid (2b) is by arc chute and middle riser (5) bolt-connection; Be arranged on length dashpot (7) below rear plate (11) by arc chute and large riser (8) bolt-connection;
Described first supporting, the second supporting, the 3rd supporting become to be symmetrical arranged along full angle spin canting (1) length direction;
Platter (4), middle base plate (6), large base plate (9) all there is screw, is bolted on shaking table or other devices.
2. a kind of collapse rock-fall model test apparatus according to claim 1, is characterized in that: described length dashpot (7) has strip hole.
3. a kind of collapse rock-fall model test apparatus according to claim 1, it is characterized in that: the center line of the arc chute of described middle riser (5) is the circular arc in the center of circle with the center of bearing (3) screw, and its radius is the centre distance of middle riser (5) arc chute center line to bearing (3) screw.
4. a kind of collapse rock-fall model test apparatus according to claim 1, it is characterized in that: the center line of the arc chute of described large riser (8) is the circular arc in the center of circle with the center of bearing (3) screw, and its radius is the centre distance of large riser (8) arc chute center line to bearing (3) screw.
5. a kind of collapse rock-fall model test apparatus according to claim 1, it is characterized in that, two described bolt frids (2a and 2b) are made up of equal angle, one wing of angle steel has circular hole, be placed in the rear and front end of the header board (10) of full angle spin canting (1), place bolt, play connection riser and bearing (3) and header board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643930.3A CN105225592B (en) | 2015-10-08 | 2015-10-08 | A kind of collapse rock-fall model test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643930.3A CN105225592B (en) | 2015-10-08 | 2015-10-08 | A kind of collapse rock-fall model test apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105225592A true CN105225592A (en) | 2016-01-06 |
| CN105225592B CN105225592B (en) | 2017-10-24 |
Family
ID=54994518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510643930.3A Expired - Fee Related CN105225592B (en) | 2015-10-08 | 2015-10-08 | A kind of collapse rock-fall model test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105225592B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105528950A (en) * | 2016-01-14 | 2016-04-27 | 西南交通大学 | Landslide surge simulation experiment device |
| CN107356469A (en) * | 2017-07-20 | 2017-11-17 | 绍兴文理学院 | A kind of controllable crag test of Vibration system of cohesive force |
| CN109213206A (en) * | 2018-08-10 | 2019-01-15 | 中国地质大学（武汉） | A kind of upper hopper chute vertical angle regulating device based on landslide physical model test |
| CN115629187A (en) * | 2022-11-10 | 2023-01-20 | 山东大学 | Rainfall parameter adjustable and angle-variable slope simulation test system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1606988A1 (en) * | 1988-04-05 | 1990-11-15 | Nikiforov Vladimir V | Device for displaying friction forces in threaded joint |
| CN201653303U (en) * | 2010-03-30 | 2010-11-24 | 武汉科技大学 | Adjustable die used for slope blasting models |
| CN103617762A (en) * | 2013-12-12 | 2014-03-05 | 成都理工大学 | Physical simulating device for gravity detachment structure capable of controlling slope angle |
| CN104634946A (en) * | 2015-02-05 | 2015-05-20 | 中国矿业大学(北京) | Slope model loading testing device |
| CN205050462U (en) * | 2015-10-08 | 2016-02-24 | 西南交通大学 | Falling rocks model test device collapses |
-
2015
- 2015-10-08 CN CN201510643930.3A patent/CN105225592B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1606988A1 (en) * | 1988-04-05 | 1990-11-15 | Nikiforov Vladimir V | Device for displaying friction forces in threaded joint |
| CN201653303U (en) * | 2010-03-30 | 2010-11-24 | 武汉科技大学 | Adjustable die used for slope blasting models |
| CN103617762A (en) * | 2013-12-12 | 2014-03-05 | 成都理工大学 | Physical simulating device for gravity detachment structure capable of controlling slope angle |
| CN104634946A (en) * | 2015-02-05 | 2015-05-20 | 中国矿业大学(北京) | Slope model loading testing device |
| CN205050462U (en) * | 2015-10-08 | 2016-02-24 | 西南交通大学 | Falling rocks model test device collapses |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105528950A (en) * | 2016-01-14 | 2016-04-27 | 西南交通大学 | Landslide surge simulation experiment device |
| CN107356469A (en) * | 2017-07-20 | 2017-11-17 | 绍兴文理学院 | A kind of controllable crag test of Vibration system of cohesive force |
| CN109213206A (en) * | 2018-08-10 | 2019-01-15 | 中国地质大学（武汉） | A kind of upper hopper chute vertical angle regulating device based on landslide physical model test |
| CN109213206B (en) * | 2018-08-10 | 2021-05-14 | 中国地质大学（武汉） | Upper chute vertical angle adjusting device based on landslide physical model test |
| CN115629187A (en) * | 2022-11-10 | 2023-01-20 | 山东大学 | Rainfall parameter adjustable and angle-variable slope simulation test system and method |
| CN115629187B (en) * | 2022-11-10 | 2024-02-23 | 山东大学 | Slope simulation test system and method with adjustable rainfall parameters and variable angles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105225592B (en) | 2017-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105225592A (en) | A kind of collapse rock-fall model test apparatus | |
| CN205050462U (en) | Falling rocks model test device collapses | |
| CN112709241B (en) | Anti unsettled dangerous rock mass of formula of splitting protection retaining structure | |
| CN107764496A (en) | For simulating device, method and application of the rockfall motion to open cut tunnel impact | |
| CN107700925A (en) | A kind of fixed structure of pile and column | |
| CN105081403A (en) | Device capable of drilling holes at free angles | |
| CN108020820A (en) | A kind of radar supporting rack | |
| CN202580498U (en) | High-pressure device chassis | |
| CN210486896U (en) | Slope fixing device of laser direction indicator for mine measurement | |
| CN207407011U (en) | For the firm formula camera mount structure of dissemination of news | |
| CN204370827U (en) | Face frontier defense guard fence | |
| CN104142521B (en) | Geological radar antenna equipment moving and testing device during tunnel construction | |
| CN114735064B (en) | Anti-falling device for coal mine transportation | |
| CN207160604U (en) | Architectural engineering assembled bearing | |
| CN211001284U (en) | Mine engineering machinery operation device | |
| CN204469153U (en) | The pre-buried angle of volleyball post and direction adjustment device | |
| CN206531654U (en) | Rolling Stone transmitter | |
| CN211042589U (en) | Large-angle adjustable test bed for water dripping test of electronics and electricians | |
| CN204276055U (en) | The rubber rubber powder pulverizer of convenient movement | |
| CN207181682U (en) | A kind of adjoining rock stability condition monitoring system | |
| CN220888687U (en) | Anti-slip slope building structure | |
| CN208502436U (en) | A kind of building engineering construction place warning rail | |
| CN112079108A (en) | Municipal works construction is with pressing from both sides formula pipeline handling device | |
| CN220036325U (en) | Building engineering rail guard | |
| CN219949140U (en) | Auxiliary supporting device for catapult |
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: 20171024 Termination date: 20211008 |