CN207001511U - A kind of base of servo-actuated strands car - Google Patents
A kind of base of servo-actuated strands car Download PDFInfo
- Publication number
- CN207001511U CN207001511U CN201720694731.XU CN201720694731U CN207001511U CN 207001511 U CN207001511 U CN 207001511U CN 201720694731 U CN201720694731 U CN 201720694731U CN 207001511 U CN207001511 U CN 207001511U
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- CN
- China
- Prior art keywords
- haulage
- block
- chain
- hook
- servo
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- 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
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Abstract
The utility model discloses a kind of base of servo-actuated strands car, chain link block including support frame and inside support frame, the chain link block includes chain connecting bottom board and chain guide pad and directive wheel on the chain connecting bottom board, the chain guide pad is separable to be connected in on moving-wire chain, and the outer circumference surface of the directive wheel abuts with moving-wire chain.Compared with prior art, the utility model in setting on support frame by being connected in the chain guide pad on moving-wire chain, so that support frame can be conveyed by chain drive truck with interior ornamental thread, the circulation dispatching of material is realized, effectively solves the problems, such as solid accumulation.
Description
Technical field
A kind of auto production line material conveyor is the utility model is related to, particularly a kind of base of servo-actuated strands car.
Background technology
With the progress of modern society and stepping up for productivity, also huge change is occurring for automobile industry：Competition
Variation, personalized and differentiation is presented in fierceness, consumer demand.
And product and material are numerous in variety, solid accumulation is caused to be put in general assembly production scene, shelf in production scene
It is more, it is unfavorable for managing, influences the lifting of production capacity, therefore the mode of original assemble production line line side placement material is more and more uncomfortable
Answer this present situation.
Utility model content
The purpose of this utility model is to provide a kind of base of servo-actuated strands car, and it can be conveyed with interior ornamental thread chain, real
The circulation dispatching of existing material, effectively solves the problems, such as general assembly production scene solid accumulation.
The utility model provides a kind of base of servo-actuated strands car, including support frame and inside support frame
Chain link block, the chain link block includes chain connecting bottom board and the chain on the chain connecting bottom board
Bar guide pad and directive wheel, the chain guide pad is separable to be connected in on moving-wire chain, the excircle of the directive wheel
Face abuts with moving-wire chain.
The base of strands car as described above servo-actuated, these, it is preferred to, be provided with inside the support frame be used for from
The lifter pin rail module of dynamic guide transport lorry connection, the lifter pin rail module include the first support block and the second support
Block, first support block and second support block be arranged in parallel, between first support block and second support block
Be folded with block and limited block, first support block, second support block, the block and the limited block inwall it
Between form the cavity coordinated with the lifter pin of automatical pilot transportation vehicle.
The base of servo-actuated strands car as described above, these, it is preferred to, one end of the limited block extends into described lead to
Intracavitary, the other end of the limited block are rotatably fixed on the lifter pin rail module, and deviating from for the limited block is logical
The side of chamber is fixed with pin, and the both ends of the pin press in first support block and second support block respectively.
The base of servo-actuated strands car as described above, these, it is preferred to, the front end of the support frame is provided with front hook
Module, the front hanging hook modules include front haulage mounting bracket, front hook installing plate and front haulage hook, the front haulage mounting bracket
The front end of the support frame is fixed on, one end of the front hook installing plate is fixedly connected with the traction hook, the front hanging
The other end of hook installing plate is articulated on the front haulage mounting bracket.
The base of servo-actuated strands car as described above, these, it is preferred to, the front haulage mounting bracket is provided with front haulage
Bearing pin, the pivot end of the front hook installing plate are fed through a pair of institutes formed with symmetrical waist typed through hole, the front haulage bearing pin
Waist typed through hole is stated so that the front hook installing plate rotates by drive-connecting shaft of the front haulage bearing pin.
The base of strands car as described above servo-actuated, these, it is preferred to, the front haulage mounting bracket be provided with transverse slat,
Caging bolt and fastening screw nut, the fastening screw nut are fixed on transverse slat, and the transverse slat is provided with bolt hole at fastening screw nut,
The shaft of the caging bolt is installed after being inserted through bolt hole and fastening screw nut on the transverse slat successively with the front hook
The bottom of plate abuts.
The base of servo-actuated strands car as described above, these, it is preferred to, the rear end of the support frame is provided with and rear car
The aft hook module that coordinates of front hanging hook modules, the aft hook module includes rear haulage mounting bracket, rear haulage swing rod and traction
Pin, the rear haulage mounting bracket are fixed on the rear end of the support frame, and the towing pin is fixed on the rear haulage mounting bracket
On, the rear haulage swing rod is rotatably fixed on the side of the close towing pin of the rear haulage mounting bracket, after described
Rear haulage switch block is arranged with traction swing rod, the rear haulage switch block is used for when rear haulage swing rod rotates, and will be sheathed on described
Front haulage hook on towing pin, which starts, departs from the aft hook module.
The base of servo-actuated strands car as described above, these, it is preferred to, the rear haulage swing rod is inverted L-type bar,
The rail segment of the rear haulage swing rod is rotatably fixed on the rear haulage mounting bracket, the vertical pole section of the rear haulage swing rod
Tail end be provided with roller.
The base of servo-actuated strands car as described above, these, it is preferred to, led on the rear haulage mounting bracket after described
The lower section for drawing switch block is provided with the rear haulage gag lever post for being used for limiting the rear haulage switch block upset.
The base of servo-actuated strands car as described above, these, it is preferred to, the bottom front installation two of the support frame
Two directional wheels are installed in individual universal wheel, the bottom rear end of the support frame.
Compared with prior art, the utility model in setting on support frame by being connected in the chain on moving-wire chain
Guide pad, so that support frame can be conveyed by chain drive truck with interior ornamental thread, the circulation dispatching of material is realized, effectively
Solves the problems, such as solid accumulation.
Brief description of the drawings
Fig. 1 is axonometric drawing of the present utility model；
Fig. 2 is lifter pin rail module axonometric drawing of the present utility model；
Fig. 3 is chain link block axonometric drawing of the present utility model；
Fig. 4 is the axonometric drawing that chain link block of the present utility model removes block state；
Fig. 5 is front hook module axonometric drawing of the present utility model；
Fig. 6 is aft hook module axonometric drawing of the present utility model；
Fig. 7 is more truck base series connection structural representations；
Fig. 8 be more trucks with moving-wire chain connection status schematic diagram.
Description of reference numerals：100- support frames, 101- crossbeams, 102- longerons, 103- support beams, 104- universal wheels,
105- directional wheels, 200- chain link blocks, 201- chain connecting bottom boards, 202- chain guide pads, 203- directive wheels, 300- liters
Drop pin rail module, the support blocks of 301- first, the support blocks of 302- second, 303- blocks, 304- limited blocks, 305- cavities, 306-
Pin, 400- front hanging hook modules, 401- front haulage mounting brackets, 402- front hook installing plates, 403- front haulages hook, 404- waist types
Through hole, 405- front haulage bearing pins, 406- transverse slats, 407- caging bolts, 408- fastening screw nuts, 500- aft hook modules, after 501-
Traction mounting bracket, 502- rear haulage swing rods, 503- towing pins, 504- rear haulage switch blocks, 505- rollers, 506- rear haulages are spacing
Bar, 600- automatical pilot transportation vehicles, 700- is with moving-wire chain, 800- boss.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
As depicted in figs. 1 and 2, embodiment of the present utility model provides a kind of base of servo-actuated strands car, including support
Skeleton 100 and the chain link block 200 inside support frame 100, the top of the support frame 100 include crossbeam
101 and longeron 102, the top of the support frame 100 is used to place material shelf, and the corner of the support frame 100 is all provided with
There is a support beam 103, the chain link block 200 is used to be connected with moving-wire chain 700 and can be according to production requirement with described
Release connection, walks or departs from moving-wire chain 700 so that truck base can follow, specific one of which connected mode
For, the chain link block 200 includes chain connecting bottom board 201 and the chain on the chain connecting bottom board 201
Bar guide pad 202 and directive wheel 203, bolt hole, the chain connecting bottom board is distributed with the chain connecting bottom board 201
201 are fixed on by bolt part on the crossbeam 101 of the support frame 100, the 202 separable clamping of chain guide pad
On with moving-wire chain 700, the outer circumference surface of the directive wheel 203 abuts with moving-wire chain 700, in case truck base is run
Partially.
Separable be connected in of chain guide pad 202 is had much with the mode on moving-wire chain 700, such as draw and insert-type,
Sliding or convertible etc., the present embodiment has selected convertible this mode, and this mode is mature and stable, simple in construction, profit
In maintenance, one end of chain guide pad 202 is the hinged end being articulated with the chain connecting bottom board 201, and its other end is card
The joint end with moving-wire chain 700 is tapped into, joint end is dome back taper, is so caught in beneficial to chain guide pad 202 with moving-wire
In chain 700, and chain is not damaged, truck base needs to follow when walking with moving-wire chain 700, by chain guide pad 202
Upset is caught in chain, and when truck base needs to depart from, chain guide pad 202 is flipped out.
Chain link block 200 in the present embodiment is provided with two groups, is respectively arranged on the horizontal stroke of the rear and front end of support frame 100
On beam 101, such truck base with high with the connection reliability of moving-wire chain 700, and truck base no matter in straight line moving or
Under turn condition, movement is all very steady.
Due to having accumulated more material on truck, so manpower movement transfer is more laborious, while it can also increase worker and bear
Load, automatical pilot transportation vehicle 600 is combined by the present embodiment with truck base, by automatical pilot transportation vehicle 600 guide truck from
Arrived at charging at moving-wire chain 700.
Referring to Fig. 3 and Fig. 4, the inside of support frame 100 is provided with the lifting for being used for being connected with automatical pilot transportation vehicle 600
Rail module 300 is sold, the lifter pin rail module 300 includes the first support block 301 and the second support block 302, and described first
Support block 301 and second support block 302 be arranged in parallel, wherein the shape knot of the first support block 301 and the second support block 302
Structure is all identical, is symmetrical arranged, and the first support block 301 is shaped as inverted L shape, and top surface is provided with bolt hole, passes through bolt and support rib
The front end cross beam 101 of frame 100 is fixedly connected, and the side of first support block 301 and second support block 302 is folded with gear
Block 303 and limited block 304, first support block 301, second support block 302, the block 303 and the limited block
The cavity 305 coordinated with the lifter pin of automatical pilot transportation vehicle 600 is formed between 304 inwall.
Automatical pilot transportation vehicle 600 is run to the bottom of support frame 100 first, and the pins position and cavity 305 of lifter pin are just
Right, lifter pin is risen, and inserts in cavity 305, and lifter pin is pressed on the block 303, so as to lead truck base to walk, is arrived
Up to after specified location, lifter pin declines, and automatical pilot transportation vehicle 600 departs from truck.
Block 303 is secured by bolts in the lifter pin rail module 300, and it is provided with towards the side of lifter pin
Half slot, the outer circumference surface of such block and lifter pin are brought into close contact so that lifter pin will not slide in cavity, and its structure
Elastomer is designed as, plays cushioning effect.
When there is lifter pin lifting failure in order to avoid automatical pilot transportation vehicle 600, the lifting of automatical pilot transportation vehicle 600
Pin can not insert or depart from cavity 305, and the situation that causing automatical pilot transportation vehicle 600 can not combine or discharge with truck occurs,
Lifter pin rail module 300 is designed as open at one end formula by the present embodiment, and upset knot is designed as positioned at the limited block 304 of opening end
Structure, one end of specially described limited block 304 are extended into the cavity 305, and the other end of the limited block 304 is rotatable
It is fixed on the lifter pin rail module 300, so the event that can not be lifted occurs in the lifter pin of automatical pilot transportation vehicle 600
When barrier, limited block 304 is dug, automatical pilot transportation vehicle 600 can be from the into and out cavity 305 of opening end.
In order that limited block 304 ensures defined location at work, the limited block 304 away from cavity 305
Side is fixed with pin 306, and the both ends of the pin 306 press on first support block 301 and second support respectively
On block 302.Due to the interference effect of pin 306, when limited block 304 is turned to 306 and first 301 contact position of support block of pin
Time cannot be turned over down, when limited block 304 needs upset, by the pull-up of limited block 304.
Referring to Fig. 7 and Fig. 8, in daily production, more truck bases are a kind of series connections, and this just needs truck bottom
Seat head and the tail are connected with each other, as long as such automatical pilot transportation vehicle 600 leads first bus to move, and multiple row truck base with it is servo-actuated
, it is necessary to be departed from other truck bases, the detaching structure between truck is designed as pure machine by the present embodiment after line connection
The mode that tool automatically disengages, without electric power support, the wiring with moving-wire chain 700 can be so significantly reduced, and flexibly and easily.
Referring to Fig. 5, the front end of the support frame 100 is provided with front hanging hook modules 400, and the front hanging hook modules 400 include
Front haulage mounting bracket 401, front hook installing plate 402 and front haulage hook 403, the front haulage mounting bracket 401 is consolidated by bolt
Due on the front end cross beam 101 of the support frame 100, one end of the front hook installing plate 402 is fixedly connected with the traction
Hook, the other end of the front hook installing plate 402 are articulated on the front haulage mounting bracket 401.It is a kind of U-shaped to draw hook
Part, openend are fixed on front hook installing plate 402, and its closed end is used to be connected with the rear end of front truck, will be led in the present embodiment
Draw hook and be designed as convertible, can so facilitate connection and release with front truck.
The front haulage mounting bracket 401 is provided with front haulage bearing pin 405, the pivot end shape of the front hook installing plate 402
Into there is symmetrical waist typed through hole 404, the front haulage bearing pin 405 is fed through a pair of waist typed through hole 404 so that the front hanging
Hook installing plate 402 with the front haulage bearing pin 405 be drive-connecting shaft rotate, the front haulage mounting bracket 401 be provided with transverse slat 406,
Caging bolt 407 and fastening screw nut 408, the fastening screw nut 408 are fixed on transverse slat 406, and the transverse slat 406 is in fastening screw nut
It is provided with bolt hole at 408, the shaft of the caging bolt 407 is inserted through bolt hole on the transverse slat 406 and simultaneously successively
Abutted after tight nut 408 with the bottom of the front hook installing plate 402.Caging bolt 407 primarily serves support front hook installation
The effect of plate 402, the least significant end of its upset is limited, and idle when, front hook installing plate 402 can be erected vertically, subtracts
Few space-consuming.
Referring to Fig. 6, the rear end of the support frame 100 is provided with the aft hook mould coordinated with the front hanging hook modules 400 of rear car
Block 500, the aft hook module 500 include rear haulage mounting bracket 501, rear haulage swing rod 502 and towing pin 503, led after described
Draw mounting bracket 501 to be secured by bolts on the rear end floor beam 101 of the support frame 100, the towing pin 503 is to erect shape
State is fixed on the rear haulage mounting bracket 501, and the rear haulage swing rod 502 is rotatably fixed on the rear haulage mounting bracket
The side of the 501 close towing pin 503, rear haulage switch block 504 is arranged with the rear haulage swing rod 502, is led after described
Draw switch block 504 to be used for when rear haulage swing rod 502 rotates, the front haulage being sheathed on the towing pin 503 hook 403 is started
Depart from the aft hook module 500.When current vehicle and rear car overlap, front hanging hook modules 400 and the front truck of rear car
Aft hook module 500 be combine, rear car traction hook is placed on the towing pin 503 of front truck, and its bottom be pressed on after lead
Draw on switch block 504, rear haulage switch block 504 is started, and traction hook can be lifted off into towing pin 503 together.
Detaching structure between truck is designed as the purely mechanic mode automatically disengaged by the present embodiment, without electric power support,
The wiring with moving-wire chain 700 can be so significantly reduced, and flexibly and easily.Specifically structure is：The rear haulage swing rod 502
For inverted L-type bar, the rail segment of the rear haulage swing rod 502 is rotatably fixed on the rear haulage mounting bracket 501, institute
The tail end for stating the vertical pole section of rear haulage swing rod 502 is provided with roller 505.Rear haulage swing rod 502 is contacted on ground by roller 505
Boss 800, realize that two trucks separate.
On the rear haulage mounting bracket 501 in the lower section of the rear haulage switch block 504 be provided be used for limit it is described after lead
Draw the rear haulage gag lever post 506 of the upset of switch block 504.
The bottom front of support frame 100 installs two universal wheels 104, and two universal wheels 104 are installed on support frame
Two directional wheels 105 are installed in the bottom of 100 front support beam 103, rear end, and two directional wheels 105 are installed on support frame 100
Rear end support beam 103 bottom, facilitate truck traveling turn.
Operation principle of the present utility model is：
More truck bases are joined end to end, and the traction hook of rear car is placed on the towing pin 503 of front truck, homing guidance transport
Car 600 runs to the bottom of the support frame 100 of first bus, pins position and the face of cavity 305 of lifter pin, lifter pin and risen first,
Insert in cavity 305, lifter pin is pressed on the block 303, so as to lead truck to walk, is reached with 700, moving-wire chain
Postpone, lifter pin declines, and automatical pilot transportation vehicle 600 departs from truck.The upset of chain guide pad 202 of each car is caught in chain
Interior, with moving-wire chain 700 so as to drive each truck base to walk, rear haulage swing rod 502 is contacted convex on ground by roller 505
Platform 800, rear haulage switch block 504 are started, and traction hook can be lifted off into towing pin 503 together, realize that two truck bases separate.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (10)
- A kind of 1. base of servo-actuated strands car, it is characterised in that：Including support frame (100) and located at support frame (100) Internal chain link block (200), the chain link block (200) include chain connecting bottom board (201) and located at institutes The chain guide pad (202) and directive wheel (203) on chain connecting bottom board (201) are stated, the chain guide pad (202) is separable Be connected in on moving-wire chain (700), the outer circumference surface of the directive wheel (203) abuts with moving-wire chain (700).
- 2. the base of servo-actuated strands car according to claim 1, it is characterised in that：Set inside the support frame (100) There are the lifter pin rail module (300) for being connected with automatical pilot transportation vehicle (600), the lifter pin rail module (300) Including the first support block (301) and the second support block (302), first support block (301) and second support block (302) It is arranged in parallel, block (303) and limited block is folded between first support block (301) and second support block (302) (304), first support block (301), second support block (302), the block (303) and the limited block (304) Inwall between form the cavity (305) coordinated with the lifter pin of automatical pilot transportation vehicle (600).
- 3. the base of servo-actuated strands car according to claim 2, it is characterised in that：Prolong one end of the limited block (304) Put in the cavity (305), the other end of the limited block (304) is rotatably fixed on the lifter pin rail module (300) on, the limited block (304) is fixed with pin (306) away from the side of cavity (305), and the two of the pin (306) End presses in first support block (301) and second support block (302) respectively.
- 4. the base of servo-actuated strands car according to claim 1, it is characterised in that：The front end of the support frame (100) Provided with front hanging hook modules (400), the front hanging hook modules (400) include front haulage mounting bracket (401), front hook installing plate (402) and front haulage hook (403), the front haulage mounting bracket (401) are fixed on the front end of the support frame (100), institute The one end for stating front hook installing plate (402) is fixedly connected with the traction hook, the other end pivot of the front hook installing plate (402) It is connected on the front haulage mounting bracket (401).
- 5. the base of servo-actuated strands car according to claim 4, it is characterised in that：On the front haulage mounting bracket (401) Provided with front haulage bearing pin (405), the pivot end of the front hook installing plate (402) is formed with symmetrical waist typed through hole (404), institute State front haulage bearing pin (405) and be fed through a pair of waist typed through hole (404) so that the front hook installing plate (402) is with before described Bearing pin (405) is drawn to rotate for drive-connecting shaft.
- 6. the base of servo-actuated strands car according to claim 4, it is characterised in that：On the front haulage mounting bracket (401) Provided with transverse slat (406), caging bolt (407) and fastening screw nut (408), the fastening screw nut (408) is fixed on transverse slat (406) On, the transverse slat (406) is provided with bolt hole in fastening screw nut (408) place, and the shaft of the caging bolt (407) interts successively Bottom of the bolt hole and fastening screw nut (408) crossed on the transverse slat (406) afterwards with the front hook installing plate (402) is supported Connect.
- 7. the base of servo-actuated strands car according to claim 4, it is characterised in that：The rear end of the support frame (100) Provided with the aft hook module (500) with the cooperation of the front hanging hook modules (400) of rear car, the aft hook module (500) is led after including Draw mounting bracket (501), rear haulage swing rod (502) and towing pin (503), the rear haulage mounting bracket (501) is fixed on the branch The rear end of support bone frame (100), the towing pin (503) are fixed on the rear haulage mounting bracket (501), the rear haulage swing rod (502) side of the close towing pin (503) of the rear haulage mounting bracket (501) is rotatably fixed on, is led after described Rear haulage switch block (504) is arranged with pendulum intermediate suspension (502), the rear haulage switch block (504) is used to turn in rear haulage swing rod (502) When dynamic, the front haulage being sheathed on the towing pin (503) hook (403) is started and departs from the aft hook module (500).
- 8. the base of servo-actuated strands car according to claim 7, it is characterised in that：The rear haulage swing rod (502) is The L-type bar put, the rail segment of the rear haulage swing rod (502) are rotatably fixed on the rear haulage mounting bracket (501), institute The tail end for stating the vertical pole section of rear haulage swing rod (502) is provided with roller (505).
- 9. the base of servo-actuated strands car according to claim 7, it is characterised in that：On the rear haulage mounting bracket (501) It is spacing provided with the rear haulage for being used to limit rear haulage switch block (504) upset in the lower section of the rear haulage switch block (504) Bar (506).
- 10. the base of servo-actuated strands car according to claim 1, it is characterised in that：The bottom of the support frame (100) Two universal wheels (104) are installed in front end, and two directional wheels (105) are installed in the bottom rear end of the support frame (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720694731.XU CN207001511U (en) | 2017-06-15 | 2017-06-15 | A kind of base of servo-actuated strands car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720694731.XU CN207001511U (en) | 2017-06-15 | 2017-06-15 | A kind of base of servo-actuated strands car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207001511U true CN207001511U (en) | 2018-02-13 |
Family
ID=61446530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720694731.XU Expired - Fee Related CN207001511U (en) | 2017-06-15 | 2017-06-15 | A kind of base of servo-actuated strands car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207001511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526881A (en) * | 2018-05-31 | 2018-09-14 | 广东嘉腾机器人自动化有限公司 | Automation retinue delivery system and automatic production line |
| CN114772195A (en) * | 2022-05-30 | 2022-07-22 | 上汽通用五菱汽车股份有限公司 | Transport device |
-
2017
- 2017-06-15 CN CN201720694731.XU patent/CN207001511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526881A (en) * | 2018-05-31 | 2018-09-14 | 广东嘉腾机器人自动化有限公司 | Automation retinue delivery system and automatic production line |
| CN114772195A (en) * | 2022-05-30 | 2022-07-22 | 上汽通用五菱汽车股份有限公司 | Transport device |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180213 Termination date: 20200615 |