CN105588753B - A kind of one-way eccentric hinged-support and its application method - Google Patents
A kind of one-way eccentric hinged-support and its application method Download PDFInfo
- Publication number
- CN105588753B CN105588753B CN201610164033.9A CN201610164033A CN105588753B CN 105588753 B CN105588753 B CN 105588753B CN 201610164033 A CN201610164033 A CN 201610164033A CN 105588753 B CN105588753 B CN 105588753B
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- plate
- test component
- force bearing
- hinged
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of one-way eccentric hinged-support and its application method, belong to building engineering field, its structure includes base, the top of the base is provided with force bearing plate, connecting plate I is fixedly installed on the lower surface of the force bearing plate, connecting plate II is fixedly installed on the upper surface of the base, is articulated and connected between the connecting plate I and the connecting plate II in a manner of relatively turnable；The force bearing plate is provided with least two groups of slide dampers, and the slide damper is slided along the force bearing plate so as to clamp the experiment eccentric throw of test component and Adjustment Tests component.The bearing of the present invention is easily worked, and easy to install and use, each part is easy to store after dismounting.The bearing is applied to the experiment of the types such as axial compression, axial tension, eccentric compression and eccentric tension, can reach ideal using effect.
Description
Technical field
The present invention relates to construction engineering technical field, specifically a kind of one-way eccentric hinged-support and its application method.
Background technology
In the scientific research of building engineering field, frequently with the stress performance of the technique study component of experiment.To eliminate
Testing machine constrains component both ends caused influence, and test component is frequently with hinged-support.But existing knife-edge supporter and ball pivot
Bearing, the axial compression tests of component are can only be used to, eccentric compression and the tension experiment of component can not be carried out.
For existing knife-edge supporter using relatively broad, but under elevated pressures effect, knife-edge part produces higher stress collection
In, easily teeth groove plate is caused to wear；And when component reaches critical condition, the slip of component easily causes falling suddenly for bearing
Collapse, to testing a machine and the safety of testing crew threatens.A kind of name disclosed in China Patent No. CN201320536286.6
A kind of entitled " one kind experiment referred to as disclosed in " the hinged base device of bidirectional cambered surface " and China Patent No. CN201220114934.4
The technical schemes such as loading bearing ", belong to the improvement to existing knife-edge supporter.The former is by the triangle edge of a knife of existing knife-edge supporter
Part has made circular arc into, but the shortcomings of deadweight is larger, can not carry out eccentric compression and the tension experiment of component still be present.Afterwards
Person adds the parts such as jagged teeth groove on the basis of existing knife-edge supporter, can be applied to simultaneously axial compression and it is eccentric by
Pressure experiment, but also do not solve edge of a knife class bearing common problem fundamentally.
A kind of entitled " the universal support saddle devices of pressurized tests " disclosed in China Patent No. CN201420860322.9.Bag
Containing three modules, each module includes entity steel ingot of different shapes and plate, although be hinged rotation can be realized, its structure
Complexity, and it is not used to tension experiment；Meanwhile the big portion of bearing is made up of entity steel ingot, deadweight is larger, needs in actual applications
Customization, is not suitable for middle-size and small-size experiment.
A kind of entitled " a kind of new static(al) loading experiment cylinder disclosed in China Patent No. CN201420831904.4
Cut with scissors rotating stand ".Bearing bottom is supported using flat board and semicolumn part, and ensures that bearing can be rotated freely；Bearing
Top is provided with the folder branch being made up of screw rod and baffle plate etc. and supported, to fixation test component ends.Although the bearing can be used for axle
The heart is pressurized and eccentric compression experimental study, but can not carry out tension experiment；And the seat structure is complex, it is not easy to install and makes
With.
It is a kind of entitled " a kind of to be directed to asymmestry section bias test disclosed in China Patent No. CN201210568608.5
Space loading bearing ".On the basis of the horizontally and vertically actuator of usual testing machine, add special conversion equipment and
The parts such as ball pivot, to the actual loading situation of preferably simulation bending component.But the seat structure is complex, it is not easy to pacify
Dress and use, can not carry out tension experiment.
Above-mentioned patent represents the more advanced prior art in this area, but still has problems, therefore, if
Meter is a kind of simple in construction, easy for installation, is easy to deposit, and can carry out axial compression, axial tension, eccentric compression and eccentric tension
It is those skilled in the art institute urgent need to resolve Deng the hinged-support of Type Test.
The content of the invention
It is an object of the invention to for above-mentioned problems of the prior art, there is provided a kind of one-way eccentric hinged-support and
Its application method, the seat structure is simple, easy for installation, and can carry out axial compression, axial tension, eccentric compression and it is eccentric by
The Type Tests such as drawing；This method step is simple, strong operability.
The present invention, which solves the technical scheme that its technical problem is taken, to be included：A kind of one-way eccentric hinged-support, including base,
The top of the base is provided with force bearing plate, and connecting plate I, the upper table of the base are fixedly installed on the lower surface of the force bearing plate
Connecting plate II is fixedly installed on face, it is be hinged in a manner of relatively turnable between the connecting plate I and the connecting plate II to connect
Connect；The force bearing plate is provided with least two groups of slide dampers, and the slide damper is slided along the force bearing plate so as to clamp experiment
The experiment eccentric throw of component and Adjustment Tests component.
In order to provide sufficiently large eccentric throw to test component, while save material and then mitigate the deadweight of support,
Further technical scheme is：Described force bearing plate is pacified relative to the connecting plate I and the connecting plate II junction are eccentric
Dress.
A kind of selectable technical scheme is：Described connecting plate I is provided with two pieces, and described connecting plate II is also equipped with
Two pieces, described connecting plate II is between two pieces of connecting plate I.
Another selectable technical scheme is：Described connecting plate I is provided with two pieces, and described connecting plate II is also provided with
There are two pieces, described connecting plate I is between two pieces of connecting plate II.
Connecting plate I and connecting plate II set two pieces respectively, and make connecting plate II between two pieces of connecting plate I, or make
Connecting plate I is easy to keep the stress balance of the attachment means of both junctions between two pieces of connecting plate II.
Further technical scheme is：It is connected between the connecting plate I and the connecting plate II by bearing pin.Using circle
Bearing pin made of steel is attached to connecting plate I and connecting plate II, and intensity is high, and connection is reliable, and is easy to that junction is implemented to moisten
It is sliding, it is easy to both relative rotations of regulation.
To ensure freely rotate between connecting plate I, connecting plate II and bearing pin, further technical scheme is：It is described
Be equipped with the hole for accommodating the bearing pin on the connecting plate I and connecting plate II, the connecting plate I, connecting plate II and bearing pin it
Between scribble lubricating oil.
To make slide damper that there is higher intensity, while material is saved, further technical scheme is：It is described to slide gear
Plate includes lagging, perpendicular baffle plate and stiffener, and the lagging and the perpendicular baffle plate are rectangular slab, and the stiffener is right angle
Triangular plate；The lagging is arranged on the upper surface of the force bearing plate, and the perpendicular baffle plate is fixedly mounted on the lagging
One end and vertical with the lagging, two right-angle sides of the stiffener connect the lagging and the perpendicular gear respectively
Plate.
Further technical scheme is：Described force bearing plate is provided with chute, and the chute is strip through hole, the cunning
Dynamic baffle plate is connected through a screw thread part on the force bearing plate, and the threaded connector passes through the chute to realize the cunning
The movement and positioning of dynamic baffle plate；Threaded connector is connected between corresponding slide damper to realize the folder to test component
Tightly.
The technical scheme that the present invention solves its technical problem also includes：Using above-mentioned one-way eccentric hinged-support carry out axle center by
The method of power experiment, comprises the following steps：
Step 1)：Between test component is arranged on into two groups of slide dampers, make the axis of test component by connecting plate I and
The center of connecting plate II hinged places；
Step 2)：Test component is clamped by slide damper and fixes the position of slide damper, so as to which structure will be tested
Part is fixed on force bearing plate；
Step 3)：Base is fixedly mounted on forcing press or reaction frame；
Step 4)：The forcing press or reaction frame are that test component applies pressure, are tested, described during experiment
Position base keeps constant.
The technical scheme that the present invention solves its technical problem also includes：Using above-mentioned one-way eccentric hinged-support carry out it is eccentric by
The method of power experiment, comprises the following steps：
Step 1)：Between test component is arranged on into two groups of slide dampers, make test component axis runout connecting plate I and
The center of connecting plate II hinged places, the distance between the axis and connecting plate I of test component and the center of connecting plate II hinged places
Equal to experiment eccentric throw；
Step 2)：Test component is clamped by slide damper and fixes the position of slide damper, so as to which structure will be tested
Part is fixed on force bearing plate；
Step 3)：Base is fixedly mounted on forcing press or reaction frame；
Step 4)：The forcing press or reaction frame are that test component applies pressure, are tested, described during experiment
Force bearing plate is rotated around connecting plate I and connecting plate II hinged places and rotated with motoring ring test component, the position base during experiment
Keep constant.
The beneficial effects of the invention are as follows：
1st, base and connecting plate II form an integrated member, and force bearing plate and connecting plate I form an integrated member, load
Plate be provided with clamp test component slide damper, the part that whole device includes is seldom, structure very simple, installation and
Easy to use, each part is easily deposited after dismounting；
2nd, the experiment of the types such as axial compression, axial tension, eccentric compression and eccentric tension is applicable to, and passes through tune
Whole slide damper causes support to can adapt to different size of test component, applied widely；
3rd, application method step of the invention is simple, strong operability, improves test efficiency, and test effect is preferable.
Brief description of the drawings
Fig. 1 is the positive structure schematic of the embodiment of the present invention；
Fig. 2 is Fig. 1 side view；
Fig. 3 is Fig. 2 A-A views；
Fig. 4 is the structural representation of force bearing plate of the embodiment of the present invention.
In figure：1- force bearing plates, 2- connecting plates I, 3- connecting plate II, 4- bearing pin, 5- bases, 6- laggings, 7- erect baffle plate, 8-
Stiffener, 9- high-strength bolts, 10- chutes.
Embodiment
With reference to Figure of description and specific embodiment, the invention will be further described：
As shown in Figure 1 and Figure 2.A kind of one-way eccentric hinged-support, including base 5, the top of the base 5 are provided with force bearing plate
1, connecting plate I2 is fixedly installed on the lower surface of the force bearing plate 1, and connecting plate is fixedly installed on the upper surface of the base 5
II3, the lower surface of force bearing plate 1 are welded into an entirety, upper surface and the test component end of force bearing plate 1 with connecting plate I2
Contact is held out against.The upper surface of base 5 is welded into an entirety with connecting plate II3.Force bearing plate 1 and connecting plate I2 is formed whole
Body is integrally attached to by bearing pin 4 with what base 5 and connecting plate II3 were formed, and appearance is equipped with connecting plate I2 and the connecting plate II3
Receive the hole of the bearing pin 4, bearing pin 4 can freely turn through the hole on connecting plate I2 and connecting plate II3, force bearing plate 1 around bearing pin 4
It is dynamic.Force bearing plate 1 is asymmetric along the center line of bearing pin 4, and one end is longer, there is provided while sufficiently large eccentric throw, saves material.
As shown in Figure 2 and Figure 3, connecting plate I2 and connecting plate II3 sets two pieces respectively, connecting plate I2 and force bearing plate 1 following table
Face is vertical, and connecting plate II3 is vertical with the upper surface of base 5, and in the present embodiment, connecting plate II3 is located between two pieces of connecting plate I2,
In addition it is also possible to make connecting plate I2, the effect that both arrangement forms are played is identical, just between two pieces of connecting plate II3
In the stress balance for the attachment means for keeping both junctions.
Force bearing plate 1 is provided with two groups of slide dampers, and the slide damper includes lagging 6, perpendicular baffle plate 7 and stiffener 8, institute
It is rectangular slab to state lagging 6 and the perpendicular baffle plate 7, and the stiffener 8 is modification of right-angled triangle plate；The lagging 6 is arranged on
On the upper surface of the force bearing plate 1, the perpendicular baffle plate 7 is fixedly mounted on one end of the lagging 6 and hung down with the lagging 6
Directly, two right-angle sides of the stiffener 8 connect the lagging 6 and the perpendicular baffle plate 7 respectively.The perpendicular gear of two groups of slide dampers
Plate 7 is located at the both sides of test component respectively, and perpendicular baffle plate 7 is used to clamp test component, and stiffener 8 can increase the strong of slide damper
Degree.
As shown in figure 4, force bearing plate 1 is provided with two chutes 10, slide damper is arranged on force bearing plate 1 by high-strength bolt 9
On, high-strength bolt 9 passes through the chute 10 that Adjustment Tests component can be achieved so that slide damper can move along the chute 10
Eccentric throw；Connected between two groups of slide dampers by high-strength bolt 9, so as to which test component be fixedly clamped in two slide dampers
Between.
Bearing pin 4 is made of round steel, is scribbled lubricating oil between bearing pin 4 and connecting plate I and connecting plate II, can freely be rotated.
The method that uniaxial force experiment is carried out using above-mentioned one-way eccentric hinged-support, is comprised the following steps：
Step 1)：Between test component is arranged on into two groups of slide dampers, make the axis of test component by connecting plate I and
The center of connecting plate II hinged places；
Step 2)：Test component is clamped by slide damper and fixes the position of slide damper, so as to which structure will be tested
Part is fixed on force bearing plate；
Step 3)：Base is fixedly mounted on forcing press or reaction frame；
Step 4)：The forcing press or reaction frame are that test component applies pressure, are tested, described during experiment
Position base keeps constant.
The method that eccentric force experiment is carried out using above-mentioned one-way eccentric hinged-support, is comprised the following steps：
Step 1)：Between test component is arranged on into two groups of slide dampers, make test component axis runout connecting plate I and
The center of connecting plate II hinged places, the distance between the axis and connecting plate I of test component and the center of connecting plate II hinged places
Equal to experiment eccentric throw；
Step 2)：Test component is clamped by slide damper and fixes the position of slide damper, so as to which structure will be tested
Part is fixed on force bearing plate；
Step 3)：Base is fixedly mounted on forcing press or reaction frame；
Step 4)：The forcing press or reaction frame are that test component applies pressure, are tested, described during experiment
Force bearing plate is rotated around connecting plate I and connecting plate II hinged places and rotated with motoring ring test component, the position base during experiment
Keep constant.
Chute 10 in the present invention on force bearing plate 1, the strip through hole described in embodiment is not limited to, can also be set to recessed
Slot type, it is that slide damper is positioned by trip bolt；The structure type of the slide damper of the present invention is not limited to embodiment institute
The form stated, can be set to overall sliding block, but if set to sliding block, when its intensity is enough, can have larger weight, and
And sliding block thickness is big, its installation on force bearing plate 1 is not easy to, it is therefore preferable that mode is the mode described in embodiment.In addition,
Stiffener 8 is not limited to the triangle described in embodiment, can also be set to other shapes.
When the structural change of chute 10 and slide damper, its application method is identical with embodiment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not the whole embodiments of the present invention, not limiting
The system present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in
Within protection scope of the present invention.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art, for protrusion
The innovative characteristicses of the present invention, remaining technical characteristic will not be repeated here.
Claims (6)
1. a kind of one-way eccentric hinged-support, it is characterized in that, including base, the top of the base be provided with force bearing plate, the load
Connecting plate I is fixedly installed on the lower surface of plate, connecting plate II, the connecting plate are fixedly installed on the upper surface of the base
It is articulated and connected between I and the connecting plate II in a manner of relatively turnable；The force bearing plate is provided with least two groups of slip gears
Plate, the slide damper are slided along the force bearing plate so as to clamp the experiment eccentric throw of test component and Adjustment Tests component；
It is connected between the connecting plate I and the connecting plate II by bearing pin；
The hole for accommodating the bearing pin, the connecting plate I, connecting plate II are equipped with the connecting plate I and connecting plate II
Lubricating oil is scribbled between bearing pin；
The slide damper includes lagging, perpendicular baffle plate and stiffener, and the lagging and the perpendicular baffle plate are rectangular slab, institute
It is modification of right-angled triangle plate to state stiffener；The lagging is arranged on the upper surface of the force bearing plate, and the perpendicular baffle plate fixes peace
Mounted in one end of the lagging and vertical with the lagging, two right-angle sides of the stiffener connect the strut rail respectively
Plate and the perpendicular baffle plate；
Described force bearing plate is provided with chute, and the chute is strip through hole, and the slide damper is connected through a screw thread part peace
On the force bearing plate, the threaded connector passes through the chute to realize the movement of the slide damper and positioning；Phase
Threaded connector is connected between corresponding slide damper to realize the clamping to test component.
2. a kind of one-way eccentric hinged-support according to claim 1, it is characterized in that, described force bearing plate is relative to the company
Fishplate bar I and the connecting plate II junction are eccentrically mounted.
3. a kind of one-way eccentric hinged-support according to claim 1, it is characterized in that, described connecting plate I is provided with two pieces,
Described connecting plate II is also equipped with two pieces, and described connecting plate II is between two pieces of connecting plate I.
4. a kind of one-way eccentric hinged-support according to claim 1, it is characterized in that, described connecting plate I is provided with two pieces,
Described connecting plate II is also equipped with two pieces, and described connecting plate I is between two pieces of connecting plate II.
5. the method for uniaxial force experiment is carried out using the one-way eccentric hinged-support described in claim 1, it is characterized in that, including with
Lower step：
Step 1)：Between test component is arranged on into two groups of slide dampers, the axis of test component is set to pass through connecting plate I and connection
The center of plate II hinged places；
Step 2)：Test component is clamped by slide damper and fixes the position of slide damper, so as to which test component be consolidated
It is scheduled on force bearing plate；
Step 3)：Base is fixedly mounted on forcing press or reaction frame；
Step 4)：The forcing press or reaction frame are that test component applies pressure, are tested, the base during experiment
Position keeps constant.
6. the method for eccentric force experiment is carried out using the one-way eccentric hinged-support described in claim 1, it is characterized in that, including with
Lower step：
Step 1)：Between test component is arranged on into two groups of slide dampers, make axis runout connecting plate I and the connection of test component
The distance between the center of plate II hinged places, the axis of test component and center of connecting plate I and connecting plate II hinged places are equal to
Test eccentric throw；
Step 2)：Test component is clamped by slide damper and fixes the position of slide damper, so as to which test component be consolidated
It is scheduled on force bearing plate；
Step 3)：Base is fixedly mounted on forcing press or reaction frame；
Step 4)：The forcing press or reaction frame are that test component applies pressure, are tested, the load during experiment
Plate is rotated around connecting plate I and connecting plate II hinged places and rotated with motoring ring test component, and the position base is kept during experiment
It is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164033.9A CN105588753B (en) | 2016-03-22 | 2016-03-22 | A kind of one-way eccentric hinged-support and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164033.9A CN105588753B (en) | 2016-03-22 | 2016-03-22 | A kind of one-way eccentric hinged-support and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105588753A CN105588753A (en) | 2016-05-18 |
| CN105588753B true CN105588753B (en) | 2018-03-16 |
Family
ID=55928498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164033.9A Expired - Fee Related CN105588753B (en) | 2016-03-22 | 2016-03-22 | A kind of one-way eccentric hinged-support and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105588753B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632467B (en) * | 2019-01-08 | 2021-06-15 | 哈尔滨工业大学（威海） | Assembled double-cutter hinged support suitable for compression tests of rectangular steel pipes of different sizes |
| CN109632468B (en) * | 2019-01-08 | 2021-06-11 | 哈尔滨工业大学（威海） | Assembled double-cutter hinged support suitable for pressure test of round steel pipes with various diameters |
| CN111829764A (en) * | 2020-06-08 | 2020-10-27 | 中电建路桥集团有限公司 | Mechanical measurement device for right-angle reinforced concrete member and use method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101861994B1 (en) * | 2012-08-13 | 2018-05-29 | 한국전력공사 | Test apparatus for buckling load |
| CN203191217U (en) * | 2012-09-25 | 2013-09-11 | 北京铁科首钢轨道技术股份有限公司 | Horizontal load loading device |
| CN104458408A (en) * | 2014-12-24 | 2015-03-25 | 东南大学 | Novel cylindrical hinge rotating bracket for static force loading experiment |
| CN205404274U (en) * | 2016-03-22 | 2016-07-27 | 山东大学 | One -way eccentric hinged -support |
-
2016
- 2016-03-22 CN CN201610164033.9A patent/CN105588753B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105588753A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105588753B (en) | A kind of one-way eccentric hinged-support and its application method | |
| CN101419143A (en) | Bidirectional composite force loading test device for masonry test piece | |
| CN104458408A (en) | Novel cylindrical hinge rotating bracket for static force loading experiment | |
| CN205404274U (en) | One -way eccentric hinged -support | |
| CN109738279A (en) | A kind of multi-angle rock shearing laboratory holder | |
| CN101738273A (en) | Loading device for compressive capacity test | |
| CN112326461B (en) | Shear resistance test device for assembly type connecting piece | |
| CN210754827U (en) | Safety auxiliary device of press | |
| CN208929479U (en) | A kind of fixture | |
| CN204286925U (en) | A kind of novel static(al) loading experiment cylinder cuts with scissors rotating stand | |
| CN205981920U (en) | A fragility detector for chain round pin axle | |
| CN208474662U (en) | A kind of pipe-hanger support facilitating up and down adjustment | |
| CN208663145U (en) | A kind of fixation device of steel pipe | |
| CN108801593A (en) | A kind of mobile phone screen ageing-resistant test gauge device | |
| CN204913345U (en) | Novel movable panel is perpendicular to be pressed from both sides tightly device | |
| CN213685605U (en) | Shockproof supporting and hanging frame for pipeline | |
| CN211528057U (en) | Device capable of performing compression creep test on tensile testing machine | |
| CN208450432U (en) | A kind of large diameter aluminium alloy aluminium orthopedic equipment | |
| CN206724838U (en) | A kind of logical only detection device monitor station easy to use | |
| CN205950891U (en) | Furniture board opens panel clamping device of material machine | |
| CN205734022U (en) | Machining is with clamping positioner | |
| CN206732236U (en) | The cut-out frock of the prod of nitrogen before foundry furnace | |
| CN204694459U (en) | A kind of connecting rod bow spring caliberating device | |
| CN211731911U (en) | Steel pipe automatic packaging device | |
| CN106872261B (en) | A kind of composite material racking strain measurement auxiliary clamp |
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 |
Granted publication date: 20180316 Termination date: 20200322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |