CN210439350U - Bridge foundation pile reinforcing apparatus - Google Patents

Bridge foundation pile reinforcing apparatus Download PDF

Info

Publication number
CN210439350U
CN210439350U CN201921372810.4U CN201921372810U CN210439350U CN 210439350 U CN210439350 U CN 210439350U CN 201921372810 U CN201921372810 U CN 201921372810U CN 210439350 U CN210439350 U CN 210439350U
Authority
CN
China
Prior art keywords
foundation pile
plate
fixedly connected
base
fixing
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
Application number
CN201921372810.4U
Other languages
Chinese (zh)
Inventor
郭建峰
徐钰辉
朱顺洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201921372810.4U priority Critical patent/CN210439350U/en
Application granted granted Critical
Publication of CN210439350U publication Critical patent/CN210439350U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a bridge foundation pile reinforcing apparatus, which comprises a base, the top surface middle part fixedly connected with foundation pile main part of base, the equal fixed mounting in surface of foundation pile main part has the mounting panel to be kept away from at the base top, one side at mounting panel top is articulated through the bearing has first bracing piece, the utility model relates to a bridge foundation pile technical field. This bridge foundation pile reinforcing apparatus, through first bracing piece, first spring, first sliding plate, the carriage, the second bracing piece, the second spring, the second sliding plate, the gusset plate, the fixed block, fastening bolt, the fixed plate, the dead lever, fixed frame, the extrusion spring, the mating reaction of connecting rod and clamp plate, adopt dual reinforcing effect, the reinforcing effect of bridge foundation pile has been improved, through the mounting panel, the link, the recess, the guide bar, expanding spring, the movable plate, the gag lever post, the mating reaction of connecting block and fixing bolt, make reinforcing apparatus be convenient for change after using for a long time.

Description

Bridge foundation pile reinforcing apparatus
Technical Field
The utility model relates to a bridge foundation pile technical field specifically is a bridge foundation pile reinforcing apparatus.
Background
The bridge is a building constructed for a road to cross natural or artificial barriers, is erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and is characterized in that a foundation pile consists of a foundation pile and a bearing platform connected to the top of the pile; if the upper part of the pile body is exposed out of the ground and the bottom of the bearing platform is above the ground, the pile body is called a high bearing platform pile foundation, and the highway bridge foundation pile is usually reinforced in order to prolong the service life and increase the bearing capacity of the highway bridge foundation pile.
Present bridge foundation pile reinforcing apparatus structure is complicated, and the operation is inconvenient, and it is relatively poor to consolidate the effect for the foundation pile produces easily not hard up, has reduced the stability and the lodging resistance ability of foundation pile, has reduced the life of foundation pile, and in addition, reinforcing apparatus is mostly fixed mode, can not dismantle it, makes to be not convenient for after long-time the use change to it, and the flexibility is relatively poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a bridge foundation pile reinforcing apparatus has solved and has consolidated the effect relatively poor for the foundation pile produces easily not hard up, has reduced the stability of foundation pile and lodging resistance ability and reinforcing apparatus and mostly be fixed mode, can not be to its problem of dismantling.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a bridge foundation pile reinforcing device comprises a base, wherein a foundation pile main body is fixedly connected to the middle of the surface of the top of the base, mounting plates are fixedly mounted on the surfaces, far away from the foundation pile main body, of the top of the base, one side of the top of each mounting plate is hinged with a first supporting rod through a bearing, one side, far away from the base, of each first supporting rod is connected with a supporting frame in a sliding mode, one end, extending to the inside of each supporting frame, of each first supporting rod is fixedly connected with a first sliding plate, the surface of each first supporting rod is fixedly connected with a first spring in the supporting frame, one side, far away from the first sliding plate, of each first supporting rod is connected with a second sliding plate in a sliding mode, one side, far away from the second sliding plate, of each second supporting rod is fixedly connected with a second supporting rod, one end, far away from the second sliding plate, of each second supporting rod penetrates, the utility model discloses a pile foundation pile, including first bracing piece, second bracing piece, mounting panel, fixing frame, fixing spring, one side fixedly connected with connecting rod, the one end that the extrusion spring was kept away from to the second bracing piece extends to the outside one end of carriage articulates through the bearing has the gusset plate, and the surface and the foundation pile main part of gusset plate are connected, one side fixedly connected with fixed plate of first bracing piece is kept away from at the mounting panel top, the top and the equal fixedly connected with dead lever in top of fixed plate surface one side, one side sliding connection that the fixed plate was kept away from to the dead lever has fixed frame, the dead lever extends to the outside one end fixedly connected with pinch-off blades of fixed frame, one side that the.
Preferably, the equal fixedly connected with link in mounting panel top surface edge, the recess has been seted up to the inside one side of link, equal fixedly connected with guide bar between the inner wall top of recess and the bottom, the fixed surface of guide bar is connected with expanding spring, one side sliding connection that expanding spring was just kept away from on the guide bar surface has the movable plate, one side fixedly connected with gag lever post of link is kept away from to the movable plate, the one end that the movable plate was kept away from to the gag lever post runs through mounting panel, base in proper order and extends to the inside of base, and the spacing groove with gag lever post looks adaptation is seted up to the inside of base.
Preferably, the equal fixedly connected with connecting block in one side at mounting panel top edge and the gag lever post of keeping away from, fixing bolt has all been run through at the inside middle part of connecting block, fixing bolt's one end runs through connecting block, gag lever post in proper order and extends to the inside of gag lever post.
Preferably, the middle part of the edge of the side wall surface of the reinforcing plate is fixedly connected with a fixing block, and a fastening bolt penetrates through the middle part of the fixing block.
Preferably, the reinforcing plate and the clamping plate are made of arc anti-aging wear-resistant rubber materials.
(III) advantageous effects
The utility model provides a bridge foundation pile reinforcing apparatus. The method has the following beneficial effects:
(1) the bridge foundation pile reinforcing device is characterized in that a first supporting rod is hinged to one side of the top of a mounting plate through a bearing, a supporting frame is connected to one side, far away from a base, of the first supporting rod in a sliding mode, a first sliding plate is fixedly connected to one end, extending to the inside of the supporting frame, of the first supporting rod, a first spring is fixedly connected to the surface of the first supporting rod and located inside the supporting frame, a second sliding plate is connected to one side, far away from the first sliding plate, of the inside of the supporting frame in a sliding mode, a second supporting rod is fixedly connected to one side of the second sliding plate, one end, far away from the second sliding plate, of the second supporting rod penetrates through the supporting frame and extends to the outside of the supporting frame, a second spring is fixedly connected to the surface of the second supporting rod and located inside the supporting frame, a reinforcing plate is hinged to one end, extending to the outside of the supporting frame, of the, and fastening bolts penetrate through the middle parts of the fixed blocks, one side of the fixed plate is fixedly connected with the fixed plate through the top of the mounting plate, the top and the top of one side of the surface of the fixed plate are fixedly connected with fixed rods, one side of the fixed rod far away from the fixed plate is slidably connected with the fixed frame, one end of the fixed rod extends to the inside of the fixed frame and is fixedly connected with an extrusion spring, one side of the extrusion spring far away from the fixed rod is fixedly connected with a connecting rod, one end of the connecting rod far away from the extrusion spring penetrates through the fixed frame and extends to the outside of the fixed frame, one end of the connecting rod extends to the outside of the fixed frame and is fixedly connected with a clamping plate, one side of the clamping plate far away from the connecting rod is connected with the surface of the foundation pile main body, and the fastening bolts, dead lever, fixed frame, extrusion spring, connecting rod and clamp plate's mating reaction adopt dual reinforcement effect, have improved the reinforcement effect of bridge foundation pile, effectively avoid bridge foundation pile to produce not hard up phenomenon, have improved the stability and the anti-lodging ability of foundation pile, and then have improved the life of foundation pile.
(2) This bridge foundation pile reinforcing apparatus, through the equal fixedly connected with link in mounting panel top surface edge, the recess has been seted up to one side of link inside, equal fixedly connected with guide bar between the inner wall top of recess and the bottom, the fixed surface of guide bar is connected with expanding spring, one side sliding connection that expanding spring just kept away from on the guide bar surface has the movable plate, one side fixedly connected with gag lever post of link is kept away from to the movable plate, the one end that the movable plate was kept away from to the gag lever post runs through the mounting panel in proper order, the base extends to the inside of base, and the spacing groove with gag lever post looks adaptation is seted up to the inside of base, the equal fixedly connected with connecting block in one side of mounting panel top edge just keeping away from the gag lever post, fixing bolt has all been run through at the inside middle part of connecting block, fixing bolt's one end, The reinforcing device has the advantages that the reinforcing device is convenient to disassemble and replace after being used for a long time, and the applicability and the flexibility are strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a partially enlarged view of fig. 1 at B.
In the figure: the pile foundation comprises a base 1, a mounting plate 2, a first supporting rod 3, a first spring 4, a first sliding plate 5, a supporting frame 6, a second sliding plate 7, a second spring 8, a second supporting rod 9, a foundation pile main body 10, a fixing block 11, a fastening bolt 12, a reinforcing plate 13, a clamping plate 14, a fixing plate 15, a fixing frame 16, a connecting rod 17, a fixing rod 18, an extrusion spring 19, a connecting frame 20, a groove 21, a limiting rod 22, a telescopic spring 23, a guide rod 24, a moving plate 25, a connecting block 26 and a fixing bolt 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a bridge foundation pile reinforcing device comprises a base 1, a foundation pile main body 10 is fixedly connected to the middle of the surface of the top of the base 1, mounting plates 2 are fixedly mounted on the surfaces of the top of the base 1, which are far away from the foundation pile main body 10, a first supporting rod 3 is hinged to one side of the top of the mounting plates 2 through a bearing, a supporting frame 6 is slidably connected to one side of the first supporting rod 3, which is far away from the base 1, a first sliding plate 5 is fixedly connected to one end of the first supporting rod 3, which extends into the supporting frame 6, a first spring 4 is fixedly connected to the surface of the first supporting rod 3 and is positioned in the supporting frame 6, a second sliding plate 7 is slidably connected to one side of the supporting frame 6, a second supporting rod 9 is fixedly connected to one side of the second sliding plate 7, one end of the second supporting rod 9, which is far away from the second sliding plate 7, penetrates through the supporting frame 6 and extends out of the supporting frame 6, a second spring, the end of the second support rod 9 extending to the outside of the support frame 6 is hinged with a reinforcing plate 13 through a bearing, the stability and the anti-inclination capability of the foundation pile main body 10 are improved, the surface of the reinforcing plate 13 is connected with the foundation pile main body 10, the middle part of the side wall surface edge of the reinforcing plate 13 is fixedly connected with a fixing block 11, a fastening bolt 12 penetrates through the middle part of the fixing block 11, the reinforcing plate 13 can surround and fix the foundation pile main body 10 more tightly, the side of the top of the mounting plate 2 far away from the first support rod 3 is fixedly connected with a fixing plate 15, the top of the side of the surface of the fixing plate 15 and the top are both fixedly connected with a fixing rod 18, the side of the fixing rod 18 far away from the fixing plate 15 is slidably connected with a fixing frame 16, one end of the fixing rod 18 extending to the inside of the fixing, one end of the connecting rod 17, which is far away from the extrusion spring 19, penetrates through the fixed frame 16 and extends to the outside of the fixed frame 16, one end of the connecting rod 17, which extends to the outside of the fixed frame 16, is fixedly connected with the clamping plate 14, which can clamp and fix the foundation pile main body 10 and avoid the occurrence of dumping phenomenon, the reinforcing plate 13 and the clamping plate 14 are both made of arc anti-aging wear-resistant rubber materials, the service lives of the reinforcing plate 13 and the clamping plate 14 are prolonged, one side of the clamping plate 14, which is far away from the connecting rod 17, is connected with the surface of the foundation pile main body 10, the top surface edge of the mounting plate 2 is fixedly connected with the connecting frame 20, one side inside the connecting frame 20 is provided with a groove 21, a guide rod 24 is fixedly connected between the top and the bottom of the inner wall of the groove 21, the surface of the guide rod 24 is fixedly connected with an expansion spring 23, one side, mounting panel 2 is run through in proper order to the one end that movable plate 25 was kept away from to gag lever post 22, base 1 extends to base 1's inside, and base 1's inside offer with the spacing groove of gag lever post 22 looks adaptation, 2 top edges of mounting panel just keep away from the equal fixedly connected with connecting block 26 in one side of gag lever post 22, fixing bolt 27 has all been run through at the inside middle part of connecting block 26, fixing bolt 27's one end is run through connecting block 26 in proper order, gag lever post 22 extends to gag lever post 22's inside, make reinforcing apparatus convenient for, be convenient for change it after using for a long time, the flexibility is stronger.
When the reinforcing device is used, a user needs to fixedly install the reinforcing device on the surface of a bridge foundation pile to achieve a protection effect, at the moment, the mounting plate 2 is placed at the top of the base 1, the moving plate 25 is held by hand to move downwards along the guide rod 24 to drive the telescopic spring 23 to stretch and retract until the limiting rod 22 can be clamped in the base 1, then the fixing bolt 27 is rotated until the fixing bolt 27 can rotate to the inside of the limiting rod 22 in a threaded manner, the mounting of the reinforcing device can be completed, the reinforcing plate 13 can be fixedly installed on the surface of the foundation pile main body 10 through the fastening bolt 12, so that the foundation pile main body 10 is surrounded and fixed more tightly, the elastic effects of the first spring 4 and the second spring 8 can increase the stability and the lodging resistance of the foundation pile, and the clamping plate 14 can tightly fix the foundation pile main body 10 through the elastic effect of the extrusion spring 19, and by adopting a dual reinforcing effect, the reinforcing effect of bridge foundation pile has been improved, effectively avoid bridge foundation pile to produce not hard up phenomenon, the life of bridge foundation pile has been improved, it is longer when reinforcing apparatus live time, when needing to change it, rotate fastening bolt 12, break away from out from the inside of fixed block 11 until fastening bolt 12, then rotate fixing bolt 27, break away from out from gag lever post 22 inside until fixing bolt 27, gag lever post 22 breaks away from out from base 1 and mounting panel 2 inside, can accomplish reinforcing apparatus's dismantlement, thereby be convenient for change it after long-time the use, suitability and flexibility are stronger.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a bridge foundation pile reinforcing apparatus, includes base (1), its characterized in that: the pile foundation structure is characterized in that a foundation pile main body (10) is fixedly connected to the middle of the top surface of the base (1), a mounting plate (2) is fixedly mounted on the surface of the top of the base (1) far away from the foundation pile main body (10), a first supporting rod (3) is hinged to one side of the top of the mounting plate (2) through a bearing, a supporting frame (6) is connected to one side of the first supporting rod (3) far away from the base (1) in a sliding mode, a first sliding plate (5) is fixedly connected to one end, extending to the inside of the supporting frame (6), of the first supporting rod (3), a first spring (4) is fixedly connected to the surface of the first supporting rod (3) and located inside of the supporting frame (6), a second sliding plate (7) is connected to one side, far away from the first sliding plate (5), of the inside of the supporting frame (6) in a sliding mode, one end, far away from the second sliding plate (7), of the second supporting rod (9) penetrates through the supporting frame (6) and extends to the outside of the supporting frame (6), a second spring (8) is fixedly connected to the surface of the second supporting rod (9) and is located inside the supporting frame (6), one end, extending to the outside of the supporting frame (6), of the second supporting rod (9) is hinged to a reinforcing plate (13) through a bearing, the surface of the reinforcing plate (13) is connected with the foundation pile main body (10), one side, far away from the first supporting rod (3), of the top of the mounting plate (2) is fixedly connected with a fixing plate (15), the top and the top of one side, far away from the fixing plate (15), of the fixing plate (18) are fixedly connected with fixing frames (16), one end, extending to the inside of the fixing frame (16), of the fixing rod (18) is fixedly connected with an extrusion spring (19), one side fixedly connected with connecting rod (17) of dead lever (18) are kept away from in extrusion spring (19), the one end that extrusion spring (19) were kept away from in connecting rod (17) runs through fixed frame (16) and extends to the outside of fixed frame (16), connecting rod (17) extend to fixed frame (16) outside one end fixedly connected with pinch-off blades (14), one side and foundation pile main part (10) surface connection that connecting rod (17) were kept away from in pinch-off blades (14).
2. The bridge foundation pile reinforcing apparatus of claim 1, wherein: mounting panel (2) top surface edge equal fixedly connected with link (20), recess (21) are seted up to one side of link (20) inside, equal fixedly connected with guide bar (24) between the inner wall top of recess (21) and the bottom, the fixed surface of guide bar (24) is connected with expanding spring (23), one side sliding connection that expanding spring (23) were just kept away from on guide bar (24) surface has movable plate (25), one side fixedly connected with gag lever post (22) of link (20) are kept away from in movable plate (25), the one end that movable plate (25) were kept away from in gag lever post (22) runs through mounting panel (2), base (1) in proper order and extends to the inside of base (1), and the spacing groove with gag lever post (22) looks adaptation is seted up to the inside of base (1).
3. The bridge foundation pile reinforcing apparatus of claim 2, wherein: the utility model discloses a mounting panel, including mounting panel (2), mounting panel, gag lever post (22), fixing bolt (27) have all been run through at the inside middle part of connecting block (26), the one end of fixing bolt (27) runs through connecting block (26), gag lever post (22) in proper order and extends to the inside of gag lever post (22).
4. The bridge foundation pile reinforcing apparatus of claim 1, wherein: the middle part of the edge of the side wall surface of the reinforcing plate (13) is fixedly connected with a fixing block (11), and a fastening bolt (12) penetrates through the middle part of the fixing block (11).
5. The bridge foundation pile reinforcing apparatus of claim 1, wherein: the reinforcing plate (13) and the clamping plate (14) are both made of arc anti-aging wear-resistant rubber materials.
CN201921372810.4U 2019-08-22 2019-08-22 Bridge foundation pile reinforcing apparatus Expired - Fee Related CN210439350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921372810.4U CN210439350U (en) 2019-08-22 2019-08-22 Bridge foundation pile reinforcing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921372810.4U CN210439350U (en) 2019-08-22 2019-08-22 Bridge foundation pile reinforcing apparatus

Publications (1)

Publication Number Publication Date
CN210439350U true CN210439350U (en) 2020-05-01

Family

ID=70409151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921372810.4U Expired - Fee Related CN210439350U (en) 2019-08-22 2019-08-22 Bridge foundation pile reinforcing apparatus

Country Status (1)

Country Link
CN (1) CN210439350U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111663544A (en) * 2020-06-05 2020-09-15 芜湖青悠静谧环保科技有限公司 Slope surface auxiliary reinforcing pile for geotechnical engineering construction
CN111877331A (en) * 2020-07-25 2020-11-03 章旭江 Foundation pile hole reinforcing device with dual reinforcing effect for construction
CN112064634A (en) * 2020-09-01 2020-12-11 广东汇晟建设有限公司 Bridge pile foundation structure and construction method thereof
CN112392079A (en) * 2020-11-05 2021-02-23 谢小锋 Novel public road bridge roof beam foundation pile is consolidated device
CN112575804A (en) * 2020-12-09 2021-03-30 谭巧林 Foundation column reinforcing seat with positioning anti-tilting structure for sea-crossing bridge
CN112878733A (en) * 2021-01-11 2021-06-01 康建 A consolidate bearing structure for building engineering
CN114108593A (en) * 2021-12-23 2022-03-01 苍南县设计研究院 Soft soil foundation support structure and construction method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111663544A (en) * 2020-06-05 2020-09-15 芜湖青悠静谧环保科技有限公司 Slope surface auxiliary reinforcing pile for geotechnical engineering construction
CN111877331A (en) * 2020-07-25 2020-11-03 章旭江 Foundation pile hole reinforcing device with dual reinforcing effect for construction
CN112064634A (en) * 2020-09-01 2020-12-11 广东汇晟建设有限公司 Bridge pile foundation structure and construction method thereof
CN112392079A (en) * 2020-11-05 2021-02-23 谢小锋 Novel public road bridge roof beam foundation pile is consolidated device
CN112575804A (en) * 2020-12-09 2021-03-30 谭巧林 Foundation column reinforcing seat with positioning anti-tilting structure for sea-crossing bridge
CN112878733A (en) * 2021-01-11 2021-06-01 康建 A consolidate bearing structure for building engineering
CN114108593A (en) * 2021-12-23 2022-03-01 苍南县设计研究院 Soft soil foundation support structure and construction method

Similar Documents

Publication Publication Date Title
CN210439350U (en) Bridge foundation pile reinforcing apparatus
CN1473994A (en) Movable combined flood cut-off dam
CN114837062B (en) Steel trestle connecting platform
CN214882892U (en) Bridge reinforcing apparatus for municipal works
CN216689042U (en) Dysmorphism pier stud template reinforced structure convenient to installation
CN210342669U (en) Anti-bank activity reinforcing apparatus of cast in situ concrete
CN211472217U (en) Bridge reinforcing apparatus
CN211774618U (en) Easy-to-recycle embedded steel plate
CN214831994U (en) Efficient mounting equipment for bridge steel structure
CN218580513U (en) Noise barrier for urban traffic viaduct
CN219386811U (en) Assembled floor based on reinforced concrete frame structure
CN217231388U (en) Support fixture of concrete pavement template
CN218493176U (en) Wall body reinforced structure
CN213571516U (en) Bridge T roof beam with adjustable support
CN218267667U (en) Water conservancy pipeline fixed bolster
CN218667362U (en) Dykes and dams reinforcing frame
CN217149900U (en) Bridge construction support bracket
CN210458972U (en) Novel template support frame is used in public road bridge roof beam construction
CN214061265U (en) Ballastless track for bridge
CN218540456U (en) Bridge supporting and reinforcing structure for bridge engineering
CN216195996U (en) Reinforced concrete beam structure for building industrialization
CN215529558U (en) Flood prevention box for hydraulic engineering design
CN216991629U (en) Full-hydraulic front frame assembling tool
CN220079794U (en) Prefabricated assembled culvert
CN220977981U (en) Prestressed concrete tubular pile supporting structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200501

Termination date: 20210822

CF01 Termination of patent right due to non-payment of annual fee