CN106669899B - Brush wood pulverizer - Google Patents
Brush wood pulverizer Download PDFInfo
- Publication number
- CN106669899B CN106669899B CN201710053296.7A CN201710053296A CN106669899B CN 106669899 B CN106669899 B CN 106669899B CN 201710053296 A CN201710053296 A CN 201710053296A CN 106669899 B CN106669899 B CN 106669899B
- Authority
- CN
- China
- Prior art keywords
- roller
- belt wheel
- connect
- dissepiment
- regulation handle
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28618—Feeding means
- B02C2013/28663—Feeding means using rollers
Abstract
Brush wood pulverizer is a kind of equipment for crushing the forestry biomass such as brush wood, small dimension wood.The mechanical equipment is mainly made of automatic feeding mechanism, chipper drum mechanism, second level impact crushing mechanism, hammering crushing mechanism, transmission mechanism and discharge mechanism；Automatic feeding mechanism is mainly made of scale plate conveyer, feeding roller mechanism and roller regulating mechanism；Feeding roller mechanism is made of upper feed roll and lower feeding roller, and upper feed roll and lower feeding roller are that the ditch flute profile roller in middle position and cutter tooth type roller two parts positioned at two sides form；This novel cutter tooth ditch tooth mixed type roller, cutter tooth type roller and ditch flute profile roller are combined together, and so that feeding roller had not only been maintained ditch flute profile roller and are involved in the strong feature of power, but also there is cutter tooth type roller to make brush wood in order, the function being initially switched off in advance；The structure of novel feeding roller regulating mechanism, by regulation handle design in side, convenient for operation.
Description
Technical field has a mechanical feed, multi-stage crushing the present invention relates to a kind of brush wood disintegrating apparatus, automatic discharge,
Advantage uniform, that granularity is high is crushed, meets the basic principle of ergonomics, high production efficiency, product quality are excellent.
Background technique brush wood is one kind of forestry biomass, is used as solid molding fuel, power generation, liquefaction etc.
Development and utilization be frequently necessary to be crushed.There are energy consumption height, the uppity spy of grinding particle size for existing brush wood pulverizer
Point, the brush wood branch smashing machine designed in 102397813 A of patent of invention CN, there are automatic feeding mechanism reliability with
And the problems such as safety is lower, and the movement of roller regulating mechanism is less economical, and motor configuration is not reasonable.And take it as a whole,
Research for the forestry biomass disintegrating apparatus such as brush wood is also less, the development of biomass energy related industry is influenced, to branch
The research and development of fork material pulverizer is meaningful.
The summary of the invention present invention provides a kind of novel brush wood disintegrating apparatus, can carry out multi-stage crushing to brush wood,
Have many advantages, such as crush efficiency height, low-power consumption.
The present invention solves the above problems used technical solution are as follows:
A kind of brush wood pulverizer, mainly by automatic feeding mechanism, chipper drum mechanism, second level impact crushing mechanism, hammer
Tablet pulverizer structure, transmission mechanism and discharge mechanism composition.
Automatic feeding mechanism is mainly made of scale plate conveyer, feeding roller mechanism and roller regulating mechanism；Scale plate
Conveyer is by dissepiment blade (1), conveyor chain (2), drive sprocket (3), chain support frame (4), conveyer frame (5), dissepiment
Drive shaft (56) composition, dissepiment blade (1) are bolted with conveyor chain (2), chain support frame (4) and conveyer machine
Frame (5) is connected by welding manner, and drive sprocket (3) is connected by key with dissepiment drive shaft (56), dissepiment drive shaft (56) and
Conveyer frame (5) is connected by bearing；Feeding roller mechanism is made of upper feed roll (6) and lower feeding roller (7), on
Feeding roller (6) and lower feeding roller (7) are the ditch flute profile roller (8) in middle position and the cutter tooth type roller positioned at two sides
(9) two parts form；Roller regulating mechanism is mainly slided by bearing block (10), mobile steelframe (11), spring spool (12), adjusting
Slot (13), fixed cladding plate (14), fixed tooth (15), adjustment gear (16) and regulation handle (30) composition, fixed cladding plate (14) are logical
It crosses right angle metal plate (27) and is connect with crushing box body (32) by welding manner, lower feeding roller (7) is installed on solid by bearing
Determine cladding plate (14), upper feed roll (6) is connect by bearing with bearing block (10), and bearing block (10) and mobile steelframe (11) are logical
Welding manner connection is crossed, mobile steelframe (11) are connect by spring spool (12) with sliding slot (13) top cross-bar is adjusted, spring pocket
The moving cylinder (45) and mobile bar (44) of cylinder (12) pass through weldering with mobile steelframe (11) and adjusting sliding slot (13) top cross-bar respectively
The mode of connecing connects, and moving cylinder (45) and mobile bar (44) fit system are clearance fit, solid by bearing on fixed cladding plate (14)
Surely have regulation handle axis (46), adjustment gear (16) and regulation handle axis (46) connection type are key connection, regulation handle (30)
It is connected by key with regulation handle axis (46), the positioning column (37) of 3 cylindrical shapes is welded in regulation handle (30), it is adjacent
At 120 degree of angles of circumference between positioning column (37), there be determining for cylindrical shape at 9 in fixed cladding plate (14) nearly regulation handle (30) side
Position hole (57), at 40 degree of angles of circumference between two neighboring location hole (57), positioning column (37) is matched with location hole (57) for gap
It closes.
Hammering crushing mechanism hammers plate (26), pulverizing chamber into shape by crushing chamber (23), rotor (24), dynamic hammer hammer leaf (25), arc surely
Wall (48) composition, arc are hammered plate (26) into shape surely and are connected by screw bolts with locular wall (48) are crushed.
Transmission mechanism is by tower belt wheel group (47), dissepiment driving pulley D (42), roller belt wheel E (43), primary rotor belt wheel
(54), secondary rotor belt wheel (53), blower driving pulley (52) composition；Tower belt wheel group (47) is by tower belt wheel pack support
(39), three-level multi-diameter shaft (49), belt wheel A (34), belt wheel B (40) and belt wheel C (41) composition；Dissepiment driving pulley D (42) and squama
Plate drive shaft (56) mode of being connected by key connects, and dissepiment driving pulley D (42) is connected by way of V band with roller belt wheel E (43)
It connects, roller belt wheel E (43) and belt wheel B (40) is attached by way of V band, and primary rotor belt wheel (54) passes through shaft coupling A
(55) it is connect with motor B (31), primary rotor belt wheel (54) is connect by way of V band with secondary rotor belt wheel (53), belt wheel
F (51) is connect by way of V band with belt wheel B (40), and blower driving pulley (52) is connect by way of V band with belt wheel C (41).
Compared with prior art, innovation of the invention is:
1. novel cutter tooth ditch tooth mixed type roller, cutter tooth type roller and ditch flute profile roller are combined together, feeding is made
Roller had not only maintained ditch flute profile roller and has been involved in the strong feature of power, but also there is cutter tooth type roller to make brush wood in order, the function being initially switched off in advance
Energy.
2. the structure of novel feeding roller regulating mechanism is used, by regulation handle design in side, convenient for operation.
3. use shear hammer sheet crusher structure, pulverizer inner wall install additional arc hammer plate into shape surely, surely hammer into shape plate on design have by
The isosceles trapezoid of aligned transfer is hammered into shape surely, as the rotation of dynamic hammer, fixed hammer successively interlock with dynamic hammer into shape when crushing, shears material
Power shreds.
Detailed description of the invention
Fig. 1 is integrally-built schematic diagram of the invention.
Fig. 2 is that the present invention removes the schematic diagram after a side body.
Fig. 3 is right view of the invention.
Fig. 4 is scale plate transfer mechanism structural schematic diagram of the invention.
Fig. 5 is the structural schematic diagram of the roller of feeding up and down of the invention.
Fig. 6 is the structural schematic diagram of roller regulating mechanism of the invention.
Fig. 7 is the structural schematic diagram for the roller regulating mechanism that the present invention removes fixed cladding plate.
Fig. 8 is the structural schematic diagram of roller regulating mechanism regulation handle in the present invention.
Fig. 9 is the structural schematic diagram of shear hammer sheet crusher structure of the invention.
Figure 10 is the structural schematic diagram of tower belt wheel group of the invention.
Figure 11 is right lateral side view of the invention.
Figure 12 is the location hole schematic diagram that cladding plate is fixed in the present invention.
Figure 13 is the spring spool enlarged diagram of roller regulating mechanism in the present invention.
It is marked in figure as follows:
1, dissepiment blade 2, conveyor chain 3, drive sprocket 4, chain support frame
5, conveyer frame 6, upper feed roll 7, lower feeding roller 8, ditch flute profile roller
9, cutter tooth type roller 10, bearing block 11, mobile steelframe 12, spring spool
13, sliding slot 14, fixed cladding plate 15, fixed tooth 16, adjustment gear are adjusted
17, primary rotor 18, secondary rotor 19, one baffle 20, second level baffle
21, three-level baffle 22, lower liner plate 23, crushing chamber 24, rotor
25, hammer hammer leaf 26 is moved, arc hammers plate 27, right angle metal plate 28, V band into shape surely
29, drum chipper 30, regulation handle 31, motor B 32, crushing box body
33, main frame 34, belt wheel A 35, centrifugal fan 36, handle holddown spring
37, positioning column 38, long striped groove 39, tower belt wheel pack support 40, belt wheel B
41, belt wheel C 42, dissepiment driving pulley D 43, roller belt wheel E 44, mobile bar
45, moving cylinder 46, regulation handle axis 47, tower belt wheel group 48, crushing locular wall
49, three-level multi-diameter shaft 51, belt wheel F 52, blower driving pulley 53, secondary rotor belt wheel
54, primary rotor belt wheel 55, shaft coupling A 56, dissepiment drive shaft 57, location hole
58, motor A 59, motor C 60, drum chipper 61, shaft coupling B
Specific embodiment is described in further detail working principle of the present invention below in conjunction with attached drawing:
Brush wood pulverizer, mainly by automatic feeding mechanism, chipper drum mechanism, second level impact crushing mechanism, hammer leaf powder
Broken mechanism, transmission mechanism and discharge mechanism composition.Wherein, automatic feeding mechanism is mainly by scale plate conveyer, feeding roller machine
Structure and roller regulating mechanism composition；Scale plate conveyer is by dissepiment blade (1), conveyor chain (2), drive sprocket (3), chain
Support frame (4), conveyer frame (5), dissepiment drive shaft (56) composition；Feeding roller mechanism by upper feed roll (6) and under
Feeding roller (7) composition；Roller regulating mechanism is mainly by bearing block (10), mobile steelframe (11), spring spool (12), adjusting
Sliding slot (13), fixed cladding plate (14), fixed tooth (15), adjustment gear (16) and regulation handle (30) composition.Hammering crushing mechanism
By crushing chamber (23), rotor (24), dynamic hammer hammer leaf (25), arc hammer plate (26) into shape surely, crushing locular wall (48) forms.Transmission mechanism
By tower belt wheel group (47), dissepiment driving pulley D (42), roller belt wheel E (43), primary rotor belt wheel (54), secondary rotor band
Take turns the composition such as (53), blower driving pulley (52)；Tower belt wheel group (47) is by tower belt wheel pack support (39), three-level multi-diameter shaft
(49), belt wheel A (34), belt wheel B (40) and belt wheel C (41) composition.
Motor B (31) drives primary rotor belt wheel (54) by shaft coupling A (55), and is passed power by classical V-belt
To tower belt wheel group (47), so that roller belt wheel E (43) be driven to rotate, roller belt wheel E (43) is again passed to power by V band
The dissepiment drive shaft (56) of scale plate conveyer, driving scale plate conveyer operating, realizes automatic feed.
Motor A (58) rotates roller cutterhead by V belt translation, to drive the bite being mounted on roller cutterhead
Circumference cutting is done around the axis of roller cutterhead；Stationary knife is mounted on stationary knife seat, is cooperated with the cutter of roller cutterhead, is completed brush wood
Cutting.
Cut-off brush wood enters counterattack crushing chamber due to the effect of gravity, and primary rotor (17) rotates clockwise,
Brush wood is beaten on one baffle (19), due to the gravity of brush wood, brush wood will continue to fall to primary rotor
(17), it repeats after being crushed, falls into secondary rotor (18), due to the high-speed rotation of secondary rotor, brush wood is forced to keep off in second level
Plate (20), three-level baffle are hit repeatedly between (21)；Brush wood continues on three-level baffle (21) and drops into crushing chamber (23), powder
Rotor (24) in broken chamber (23) high speed rotation under the drive of (59) motor C makes to hammer hammer leaf (25) into shape and constantly beats branch
Material, and hammer into shape surely with arc and to determine hammer hammer leaf on plate (26) constantly and crush the higher brush wood of toughness further by shearing；
Smashed material falls into blanking storehouse by sieve plate, smashed brush wood is discharged by centrifugal fan (35), to complete
The entire crushing process of brush wood.
Gear when rotating regulation handle (30) by occlusion, which drives, adjusts sliding slot (13) movement, realizes upper feed roll
(6) adjusting.Regulation handle (30) and regulation handle axis (46) are clearance fit, are had long striped groove (38) on axis, on handle
There is keyed protrusion to transmit handle torque, handle regulation handle (30) can be moved forward and backward along axis upper groove in a certain range,
The nearly cladding plate side design of handle has positioning column (37) cylindrical at 3, has location hole at 9 at phase equal circumference on fixed cladding plate
(57), it and is realized by handle holddown spring (36) and rotates hand after handle is pulled out location hole by the fixation adjusted, when adjusting
Handle adjusts roller gap, looses one's grip after the completion of adjusting, and handle is returned to location hole by spring force and completes adjustment process.
Claims (3)
1. brush wood pulverizer, mainly by automatic feeding mechanism, chipper drum mechanism, second level impact crushing mechanism, hammering crushing
Mechanism, transmission mechanism and discharge mechanism composition；It is characterized in that: automatic feeding mechanism is mainly by scale plate conveyer, feeding roller
Mechanism and roller regulating mechanism composition；Scale plate conveyer is by dissepiment blade (1), conveyor chain (2), drive sprocket (3), chain
Support frame (4), conveyer frame (5), dissepiment drive shaft (56) composition, dissepiment blade (1) and conveyor chain (2) are connected by bolt
It connects, chain support frame (4) is connect with conveyer frame (5) by welding manner, and drive sprocket (3) and dissepiment drive shaft (56) are logical
Key connection is crossed, dissepiment drive shaft (56) is connect with conveyer frame (5) by bearing；Feeding roller mechanism is by upper feed roll
(6) it is formed with lower feeding roller (7), upper feed roll (6) and lower feeding roller (7) are the ditch flute profile roller in middle position
(8) it is formed with cutter tooth type roller (9) two parts positioned at two sides；Roller regulating mechanism is mainly by bearing block (10), mobile steelframe
(11), spring spool (12), adjusting sliding slot (13), fixed cladding plate (14), fixed tooth (15), adjustment gear (16) and regulation handle
(30) it forms, fixed cladding plate (14) are connect with crushing box body (32) by welding manner by right angle metal plate (27), lower feeding
Roller (7) is installed on fixed cladding plate (14) by bearing, and upper feed roll (6) is connect by bearing with bearing block (10), bearing
Seat (10) is connect with mobile steelframe (11) by welding manner, and mobile steelframe (11) are by spring spool (12) and adjust sliding slot
(13) top cross-bar connects, the moving cylinder (45) and mobile bar (44) of spring spool (12) respectively with mobile steelframe (11) and adjusting
Sliding slot (13) top cross-bar is connected by welding manner, and moving cylinder (45) and mobile bar (44) fit system are clearance fit, Gu
Determine to be fixed with regulation handle axis (46) on cladding plate (14) by bearing, adjustment gear (16) and regulation handle axis (46) connection type
For key connection, regulation handle (30) is connected by key with regulation handle axis (46), and 3 cylinders are welded in regulation handle (30)
The positioning column (37) of shape, at 120 degree of angles of circumference, fixed cladding plate (14) nearly regulation handle (30) side between adjacent positioned column (37)
There is a location hole (57) of cylindrical shape at 9, at 40 degree of angles of circumference, positioning column (37) and positioning between two neighboring location hole (57)
Hole (57) is clearance fit.
2. brush wood pulverizer according to claim 1, it is characterized in that: hammering crushing mechanism is by crushing chamber (23), rotor
(24), dynamic hammer hammer leaf (25), arc hammer plate (26) into shape surely, crush locular wall (48) composition, and arc hammers plate (26) and crushing locular wall into shape surely
(48) it is connected by screw bolts.
3. brush wood pulverizer according to claim 1, it is characterized in that: transmission mechanism is by tower belt wheel group (47), dissepiment
Driving pulley D (42), roller belt wheel E (43), primary rotor belt wheel (54), secondary rotor belt wheel (53), blower driving pulley
(52) it forms；Tower belt wheel group (47) is by tower belt wheel pack support (39), three-level multi-diameter shaft (49), belt wheel A (34), belt wheel B
(40) it is formed with belt wheel C (41)；Dissepiment driving pulley D (42) is connect with dissepiment drive shaft (56) mode of being connected by key, dissepiment
Driving pulley D (42) is connect by way of V band with roller belt wheel E (43), and roller belt wheel E (43) and belt wheel B (40) pass through the band side V
Formula is attached, and primary rotor belt wheel (54) is connect by shaft coupling A (55) with motor B (31), primary rotor belt wheel (54)
It is connect by way of V band with secondary rotor belt wheel (53), belt wheel F (51) is connect by way of V band with belt wheel B (40), and blower drives
Movable belt pulley (52) is connect by way of V band with belt wheel C (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053296.7A CN106669899B (en) | 2017-01-18 | 2017-01-18 | Brush wood pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053296.7A CN106669899B (en) | 2017-01-18 | 2017-01-18 | Brush wood pulverizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106669899A CN106669899A (en) | 2017-05-17 |
| CN106669899B true CN106669899B (en) | 2018-12-25 |
Family
ID=58860699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053296.7A Expired - Fee Related CN106669899B (en) | 2017-01-18 | 2017-01-18 | Brush wood pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106669899B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321457A (en) * | 2017-08-02 | 2017-11-07 | 安吉六合工艺品有限公司 | Fan bamboo scraps pulverizer |
| CN107567826A (en) * | 2017-08-29 | 2018-01-12 | 江苏大学 | A kind of mobile straw cuber straw chopping and throw integrated apparatus |
| CN108855483A (en) * | 2018-07-06 | 2018-11-23 | 福建农林大学 | Jujun grasses stalk pulverizer and its breaking method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3235163A1 (en) * | 1982-09-23 | 1984-03-29 | PHB Weserhütte AG, 5000 Köln | Shredder for a shredder system for crushing and preparing vehicle bodies or the like to form scrap metal |
| JP2006272101A (en) * | 2005-03-28 | 2006-10-12 | Hitachi Furukawa Kenki Kk | Tree branch shredding machine |
| CN100574607C (en) * | 2008-09-23 | 2009-12-30 | 尤凤兴 | Stalk cutter |
| CN101574677B (en) * | 2009-06-12 | 2011-08-10 | 南京农业大学 | Branch crushing vehicle |
| CN206676445U (en) * | 2017-01-18 | 2017-11-28 | 东北林业大学 | Brush wood pulverizer |
-
2017
- 2017-01-18 CN CN201710053296.7A patent/CN106669899B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106669899A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206676445U (en) | Brush wood pulverizer | |
| CN102397813B (en) | Branch crusher | |
| CN106669899B (en) | Brush wood pulverizer | |
| CN201275825Y (en) | Plastic shredding machine | |
| CN202238223U (en) | Animal breaking treatment machine | |
| CN207342824U (en) | A kind of cement bin brings down stocks to use crusher | |
| CN105750042A (en) | Timber shredder for board manufacturing | |
| CN104959188A (en) | Hand-push type multifunctional grinder | |
| CN208449547U (en) | A kind of semi-automatic multi-level fine pulverizer | |
| CZ279321B6 (en) | Rotary jaw crusher | |
| CN204768911U (en) | Multi -functional rubbing crusher of hand propelled | |
| JPH0783841B2 (en) | Equipment for crushing objects | |
| CN212349010U (en) | Smash all-in-one | |
| CN110278784B (en) | Impact-resistant multi-crop straw crusher and method | |
| CN204933569U (en) | Collision-type crusher | |
| CN201011781Y (en) | Stalk disintegrator | |
| CN110053840A (en) | Entire bundle stalk bale broken decomposes pulverizer | |
| CN2905208Y (en) | Built-in high-efficiency energy-saving crusher | |
| CN105850409B (en) | A kind of straw millstone | |
| CN211487992U (en) | Wet garbage crusher | |
| CN209810363U (en) | Hammer cutting combined device for branch grinder | |
| CN203494589U (en) | Bark shredder | |
| CN108579954A (en) | A kind of high-speed eddy pulverizers | |
| CN209020464U (en) | A kind of disintegrating mechanism being conveniently replaceable | |
| CN111450954A (en) | Smash all-in-one |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |