CN207495044U - A kind of belt pulley drilling equipment - Google Patents
A kind of belt pulley drilling equipment Download PDFInfo
- Publication number
- CN207495044U CN207495044U CN201721249654.3U CN201721249654U CN207495044U CN 207495044 U CN207495044 U CN 207495044U CN 201721249654 U CN201721249654 U CN 201721249654U CN 207495044 U CN207495044 U CN 207495044U
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- China
- Prior art keywords
- fixed
- belt pulley
- workbench
- water
- equipment
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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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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 244000261422 Lysimachia clethroides Species 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of belt pulley drilling equipment,Including workbench,Machine plate,Cylinder,Installing plate,Motor,Connection component,Drill bit,Pressing device,Deep gouge,Osculum,Gutter,Magnet piece,Water tank,Water pump,Gooseneck,Sprinkler head and supporting leg,The machine plate being vertically arranged is fixed on rear side of the workbench,The front of the machine plate is fixed with the cylinder that output shaft is set straight down,The lower end of the output shaft of the cylinder is fixed with horizontally disposed installing plate,The center of the bottom of the installing plate is fixed with the motor that rotation axis is set straight down,The lower end of the rotation axis of the motor is connected with drill bit by connection component,Compared with prior art,It can efficiently quickly drill to belt pulley,Improve efficiency and effect of the equipment to belt pulley drilling,Effectively reduce the high temperature that equipment is generated in drilling,Extend the service life of equipment,Reduce influence of the vibrations to equipment and processing environment.
Description
【Technical field】
The utility model is related to machine components technical field of processing equipment, particularly a kind of belt pulley drilling equipment.
【Background technology】
Belt pulley belongs to hub class part, and general relative size is bigger, generally to cast, be forged in manufacturing process
It is main.The larger method being designed as with casting of stock size, material is typically all iron casting better performances, seldom uses cast steel steel
Casting character it is bad；Stock size is smaller, can be designed as forging, and material is steel.Belt pulley is mainly used for passing at a distance
The occasion of power, such as the output of miniature diesel mechanomotive force, agricultural vehicle, tractor, automobile, mining machinery, mechanical processing is sent to set
It is standby, textile machine, package packing machine, lathe, forging bed, the transmission of some fraction horsepower motorcycle powers, the transmission of agricultural machinery power,
Air compressor machine, retarder, speed reducer, generator, cotton gin etc..
Existing belt pulley drilling is all completed on lathe, existing to be used for the equipment to belt pulley drilling due to right
The fixation of belt pulley not enough fastens, and belt pulley easily shifts during drilling, and bore position is caused to deviate, and causes secondary
Product, in addition, in drilling due to not preferable cooling provision, the temperature for leading to drill bit is higher, and bit change-over is frequent, increases
Production cost, and due to drilling when equipment vibrations it is stronger, have larger damage to the ground of equipment itself or processing environment
Wound.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of belt pulley drilling equipment, can
It efficiently quickly drills to belt pulley, improves efficiency and effect of the equipment to belt pulley drilling, effectively reduce equipment
The high temperature generated in drilling extends the service life of equipment, reduces influence of the vibrations to equipment and processing environment.
To achieve the above object, the utility model proposes a kind of belt pulley drilling equipment, including workbench, machine plate, gas
Cylinder, installing plate, motor, connection component, drill bit, pressing device, deep gouge, osculum, gutter, magnet piece, water tank, water pump, goose
Neck tube, sprinkler head and supporting leg are fixed with the machine plate being vertically arranged on rear side of the workbench, and the front of the machine plate is consolidated
Surely the cylinder that output shaft is set straight down is equipped with, the lower end of the output shaft of the cylinder is fixed with horizontally disposed installation
Plate, the center of the bottom of the installing plate are fixed with the motor that rotation axis is set straight down, the rotation of the motor
The lower end of axis is connected with drill bit by connection component, and the edge of the bottom of the installing plate is fixed with multiple equally distributed pressures
Tight device, the top of the workbench, which is located at immediately below motor, offers deep gouge, and the center of the bottom of the deep gouge is opened
Equipped with the osculum that the bottom with workbench communicates, the port of export of the osculum is equipped with the gutter being obliquely installed, the row
The bottom in ditch is fixed with multiple magnet pieces, and the port of export in the gutter is equipped with water tank, and the top of the workbench is located at
The side of deep gouge is connected with sprinkler head by gooseneck, and the end of drawing water of the water pump is connected by water pipe and water tank, described
The water outlet of water pump is connected by water pipe with sprinkler head, and the bottom of the workbench is fixed with the branch of multiple equiblibrium mass distributions
Support leg.
Preferably, the connection component includes connection cushion block and connection bolt.
Preferably, the pressing device includes telescopic rod, briquetting and spring, the upper end of the telescopic rod and installing plate
Bottom is fixedly connected, and the lower end of the telescopic rod is fixed with briquetting, and the outer sheath of the telescopic rod is equipped with spring, the compression
Device in its natural state the lower end of pressing device level height less than drill bit lower end level height.
Preferably, the magnet piece is designed for cuboid, the magnet piece is laterally removably mounted to gutter
Bottom, the length of the magnet piece and gutter it is of same size.
Preferably, it is equipped between the port of export for being internally located at gutter of the water tank and the end of drawing water of water pump for mistake
Filter the filter screen of iron filings.
Preferably, the supporting leg includes screw rod, sleeve, nut, universal roll wheel, damping spring, pedestal and rotating bar,
The upper end of the screw rod is fixedly connected with the bottom of workbench, and the lower end of the screw rod is arranged with sleeve, the upper end of the sleeve
Inside be fixed with nut, the nut is connect with screw flight, and the lower end of the screw rod is fixed with universal roll wheel, described
The lower end of sleeve is fixed with damping spring, and the lower end of the damping spring is fixed with pedestal, and the outside portion of the sleeve is consolidated
Surely it is equipped with rotating bar.
Preferably, diameter of the width of the universal roll wheel slightly larger than the inner ring of nut, the pedestal are set in annular shape
Meter.
The beneficial effects of the utility model：The utility model on rear side of workbench by being fixed with the machine being vertically arranged
Plate is fixed with the cylinder that output shaft is set straight down in the front of machine plate, is fixed in the lower end of the output shaft of cylinder
Horizontally disposed installing plate is fixed with the motor that rotation axis is set straight down in the center of the bottom of installing plate,
The lower end of the rotation axis of motor is connected with drill bit by connection component, is fixed at the edge of the bottom of installing plate multiple uniform
The pressing device of distribution is located at immediately below motor on the top of workbench and offers deep gouge, the centre bit in the bottom of deep gouge
The osculum for offering and being communicated with the bottom of workbench is put, the gutter being obliquely installed is equipped in the port of export of osculum, is being arranged
The bottom in ditch is fixed with multiple magnet pieces, and the port of export in gutter is equipped with water tank, is located at deep gouge on the top of workbench
Side sprinkler head is connected with by gooseneck, the end of drawing water of water pump is connected by water pipe and water tank, the water outlet of water pump
It is connected by water pipe with sprinkler head, the supporting leg of multiple equiblibrium mass distributions is fixed in the bottom of workbench, when needs pair
When belt pulley is drilled, rotating bar can be first rotated, rotating bar band moving sleeve rotates, and sleeve makes along screw rod slowly downlink
It obtains pedestal to land, then belt pulley is lain against to the underface that belt pulley is allowed to be located at drill bit in deep gouge, then start water pump, cylinder
And motor, cylinder drive motor and pressing device to push, the briquetting on pressing device takes the lead in belt pulley being pressed in deep gouge, presses
Tight device shortens due to being squeezed length so that drill bit is in contact with belt pulley, and motor drives drill bit rotation, the lower end of drill bit
It is in contact with belt pulley and drills to belt pulley, at the same time water pump by the water in water pipe pumping box and passes through water pipe by water
Sprinkler head is conveyed to, the water that sprinkler head sprays sprays to the contact site of drill bit and belt pulley so that the temperature of drill bit and belt pulley
Degree reduces, and drill bit or belt pulley is effectively prevent to be burnt by high temperature, and the iron filings that when drilling generates flow to draining with dampening from osculum
On ditch, the magnet piece of gutter bottom adsorbs the iron filings in water, and water continuation is flowed into water tank along gutter and supplies
Water pump is taken away, can recycle water resource, due to installing sprinkler head by gooseneck, can realize the multi-party of sprinkler head
Position is adjusted, and water spraying direction is very flexible, and due to being equipped with damping spring between pedestal and sleeve, damping spring can alleviate equipment
In the vibrations to being generated during belt pulley drilling, the ground of equipment and working environment can be protected, when mobile equipment is needed,
Rotating bar can be rotated, rotating bar band moving sleeve rotates, and sleeve is along screw rod slowly uplink so that the universal roll wheel of screw rod lower end
It lands, you can it is convenient that equipment is moved, compared with prior art, it can efficiently quickly drill, carry to belt pulley
Efficiency and effect of the equipment to belt pulley drilling have been risen, the high temperature that equipment is generated in drilling has been effectively reduced, extends equipment
Service life, reduce influence of the vibrations to equipment and processing environment.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of structure diagram of belt pulley drilling equipment of the utility model.
Fig. 2 is a kind of structure diagram of the supporting leg of belt pulley drilling equipment of the utility model.
Fig. 3 is a kind of structure diagram of the pressing device of belt pulley drilling equipment of the utility model.
In figure：1- workbench, 2- machines plate, 3- cylinders, 4- installing plates, 5- motors, 6- connection components, 7- drill bits, 8- are compressed
Device, 81- telescopic rods, 82- briquettings, 83- springs, 9- deep gouges, 10- osculums, 11- gutters, 12- magnet pieces, 13- water tanks,
14- water pumps, 15- goosenecks, 16- sprinkler heads, 17- supporting legs, 171- screw rods, 172- sleeves, 173- nuts, the universal rollers of 174-
Wheel, 175- springs, 176- pedestals, 177- rotating bars.
【Specific embodiment】
Refering to Fig. 1,2,3, a kind of belt pulley drilling equipment of the utility model, including workbench 1, machine plate 2, cylinder 3, installation
Plate 4, motor 5, connection component 6, drill bit 7, pressing device 8, deep gouge 9, osculum 10, gutter 11, magnet piece 12, water tank 13,
Water pump 14, gooseneck 15, sprinkler head 16 and supporting leg 17, the rear side of the workbench 1 are fixed with the machine plate being vertically arranged
2, the front of the machine plate 2 is fixed with the cylinder 3 that output shaft is set straight down, and the lower end of the output shaft of the cylinder 3 is consolidated
Surely horizontally disposed installing plate 4 is equipped with, the center of the bottom of the installing plate 4 is fixed with rotation axis and sets straight down
Motor 5, the lower end of the rotation axis of the motor 5 is connected with drill bit 7, the side of the bottom of the installing plate 4 by connection component 6
Edge is fixed with multiple equally distributed pressing devices 8, the top of the workbench 1 be located at motor 5 underface offer it is heavy
Slot 9, the center of the bottom of the deep gouge 9 offer the osculum 10 communicated with the bottom of workbench 1, the osculum 10
The port of export be equipped with the gutter 11 that is obliquely installed, the bottom in the gutter 11 is fixed with multiple magnet pieces 12, the row
The port of export in ditch 11 is equipped with water tank 13, and the side that the top of the workbench 1 is located at deep gouge 9 is connected with spray by gooseneck 15
Sprinkler head 16, the end of drawing water of the water pump 14 are connected by water pipe and water tank 13, and the water outlet of the water pump 14 passes through water pipe
It is connected with sprinkler head 16, the bottom of the workbench 1 is fixed with the supporting leg 17 of multiple equiblibrium mass distributions, the connection group
Part 6 includes connection cushion block and connection bolt, and the pressing device 8 includes telescopic rod 81, briquetting 82 and spring 83, the telescopic rod
81 upper end is fixedly connected with the bottom of installing plate 4, and the lower end of the telescopic rod 81 is fixed with briquetting 82, the telescopic rod 81
Outer sheath be equipped with spring 83, the pressing device 8 in its natural state the lower end of pressing device 8 level height be less than drill bit
The level height of 7 lower end, the magnet piece 12 are designed for cuboid, and the magnet piece 12 is laterally removably mounted to draining
The bottom of ditch 11, the length of the magnet piece 12 is of same size with gutter 11, and the water tank 13 is internally located at gutter
The filter screen of iron filings available for filtration is equipped between 11 port of export and the end of drawing water of water pump 14, the supporting leg 17 includes screw rod
171st, sleeve 172, nut 173, universal roll wheel 174, damping spring 175, pedestal 176 and rotating bar 177, the screw rod 171
Upper end is fixedly connected with the bottom of workbench 1, and the lower end of the screw rod 171 is arranged with sleeve 172, the upper end of the sleeve 172
Inside be fixed with nut 173, the nut 173 is threadedly coupled with screw rod 171, and the lower end of the screw rod 171 is fixed with
Universal roll wheel 174, the lower end of the sleeve 172 are fixed with damping spring 175, and the lower end of the damping spring 175, which is fixed, to be set
There is pedestal 176, the outside portion of the sleeve 172 is fixed with rotating bar 177, and the width of the universal roll wheel 174 is slightly larger than spiral shell
The diameter of the inner ring of mother 173, the pedestal 176 are designed in circular.
Utility model works process：
A kind of belt pulley drilling equipment of the utility model during the work time, can when needing to drill to belt pulley
First to rotate rotating bar 177, rotating bar 177 is rotated with moving sleeve 172, and sleeve 172 is along the slowly downlink of screw rod 171 so that bottom
Seat 176 lands, then belt pulley is lain against to the underface that belt pulley is allowed to be located at drill bit 7 in deep gouge 9, then startup water pump 14,
Cylinder 3 and motor 5, cylinder 3 drive motor 5 and pressing device 8 to push, and the briquetting 82 on pressing device 8 takes the lead in belt wheel load
Tightly in deep gouge 9, pressing device 8 shortens due to being squeezed length so that drill bit 7 is in contact with belt pulley, and motor 5, which drives, to be bored
First 7 rotation, the lower end of drill bit 7 is in contact with belt pulley drills to belt pulley, and at the same time water pump 14 is drawn water by water pipe
Water in case 13 simultaneously passes through water pipe water is conveyed to sprinkler head 16, and the water that sprinkler head 16 sprays sprays to drill bit 7 and belt pulley
Contact site so that the temperature of drill bit 7 and belt pulley reduces, and drill bit 7 or belt pulley is effectively prevent to be burnt by high temperature, and when drilling produces
Raw iron filings are flowed to from osculum 10 on gutter 11 with dampening, and the magnet piece 12 of 11 bottom of gutter carries out the iron filings in water
Absorption, and water continuation is flowed into water supply pump 14 in water tank 13 along gutter 11 and takes away, can recycle water resource, due to logical
It crosses gooseneck 15 and sprinkler head 16 is installed, can realize the multi-faceted adjusting of sprinkler head 16, water spraying direction is very flexible, due to
Damping spring 175 is equipped between pedestal 176 and sleeve 172, damping spring 175 can alleviate equipment when to belt pulley drilling
The vibrations of generation can protect the ground of equipment and working environment, when mobile equipment is needed, can rotate rotating bar
177, rotating bar 177 is rotated with moving sleeve 172, and sleeve 172 is along the slowly uplink of screw rod 171 so that 171 lower end of screw rod it is universal
Roller 174 lands, you can and it is convenient that equipment is moved, compared with prior art, efficiently quickly belt pulley can be carried out
Drilling, improves efficiency and effect of the equipment to belt pulley drilling, effectively reduces the high temperature that equipment is generated in drilling, extends
The service life of equipment reduces influence of the vibrations to equipment and processing environment.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (7)
1. a kind of belt pulley drilling equipment, it is characterised in that：Including workbench (1), machine plate (2), cylinder (3), installing plate (4),
Motor (5), connection component (6), drill bit (7), pressing device (8), deep gouge (9), osculum (10), gutter (11), magnet piece
(12), water tank (13), water pump (14), gooseneck (15), sprinkler head (16) and supporting leg (17), after the workbench (1)
Side is fixed with the machine plate (2) being vertically arranged, and the front of the machine plate (2) is fixed with the cylinder that output shaft is set straight down
(3), the lower end of the output shaft of the cylinder (3) is fixed with horizontally disposed installing plate (4), the bottom of the installing plate (4)
Center be fixed with the motor (5) that rotation axis is set straight down, the lower end of the rotation axis of the motor (5) passes through company
Connected components (6) are connected with drill bit (7), and the edge of the bottom of the installing plate (4) is fixed with multiple equally distributed compress and fills
It puts (8), the top of the workbench (1), which is located at immediately below motor (5), offers deep gouge (9), the bottom of the deep gouge (9)
Center offers the osculum (10) communicated with the bottom of workbench (1), and the port of export of the osculum (10), which is equipped with, to incline
The gutter (11) tiltedly set, the bottom of the gutter (11) are fixed with multiple magnet pieces (12), the gutter (11)
The port of export be equipped with water tank (13), the side that the top of the workbench (1) is located at deep gouge (9) is connected with by gooseneck (15)
Sprinkler head (16), the end of drawing water of the water pump (14) are connected by water pipe and water tank (13), the water outlet of the water pump (14)
End is connected by water pipe with sprinkler head (16), and the bottom of the workbench (1) is fixed with the support of multiple equiblibrium mass distributions
Leg (17).
2. a kind of belt pulley drilling equipment as described in claim 1, it is characterised in that：The connection component (6) includes connection
Cushion block and connection bolt.
3. a kind of belt pulley drilling equipment as described in claim 1, it is characterised in that：The pressing device (8) is including flexible
Bar (81), briquetting (82) and spring (83), the upper end of the telescopic rod (81) is fixedly connected with the bottom of installing plate (4), described
The lower end of telescopic rod (81) is fixed with briquetting (82), and the outer sheath of the telescopic rod (81) is equipped with spring (83), the compression
Device (8) in its natural state the lower end of pressing device (8) level height less than drill bit (7) lower end level height.
4. a kind of belt pulley drilling equipment as described in claim 1, it is characterised in that：The magnet piece (12) is cuboid
Design, the magnet piece (12) are laterally removably mounted to the bottom of gutter (11), the length of the magnet piece (12) and row
Ditch (11) it is of same size.
5. a kind of belt pulley drilling equipment as described in claim 1, it is characterised in that：The row of being internally located at of the water tank (13)
The filter screen of iron filings available for filtration is equipped between the port of export in ditch (11) and the end of drawing water of water pump (14).
6. a kind of belt pulley drilling equipment as described in claim 1, it is characterised in that：The supporting leg (17) is including screw rod
(171), sleeve (172), nut (173), universal roll wheel (174), damping spring (175), pedestal (176) and rotating bar (177),
The upper end of the screw rod (171) is fixedly connected with the bottom of workbench (1), and the lower end of the screw rod (171) is arranged with sleeve
(172), the inside of the upper end of the sleeve (172) is fixed with nut (173), the nut (173) and screw rod (171) screw thread
Connection, the lower end of the screw rod (171) are fixed with universal roll wheel (174), and the lower end of the sleeve (172) is fixed with damping
Spring (175), the lower end of the damping spring (175) are fixed with pedestal (176), and the outside portion of the sleeve (172) is fixed
Equipped with rotating bar (177).
7. a kind of belt pulley drilling equipment as described in claim 6, it is characterised in that：The width of the universal roll wheel (174)
Degree is slightly larger than the diameter of the inner ring of nut (173), and the pedestal (176) is in annular shape design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249654.3U CN207495044U (en) | 2017-09-27 | 2017-09-27 | A kind of belt pulley drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249654.3U CN207495044U (en) | 2017-09-27 | 2017-09-27 | A kind of belt pulley drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207495044U true CN207495044U (en) | 2018-06-15 |
Family
ID=62499619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249654.3U Expired - Fee Related CN207495044U (en) | 2017-09-27 | 2017-09-27 | A kind of belt pulley drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207495044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695738A (en) * | 2017-09-27 | 2018-02-16 | 海盐琦安瑞精密机械有限公司 | A kind of belt pulley drilling equipment |
| CN110238420A (en) * | 2019-07-23 | 2019-09-17 | 安徽霍山龙鑫金属科技有限公司 | A kind of casting drilling machine being convenient to clean |
-
2017
- 2017-09-27 CN CN201721249654.3U patent/CN207495044U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695738A (en) * | 2017-09-27 | 2018-02-16 | 海盐琦安瑞精密机械有限公司 | A kind of belt pulley drilling equipment |
| CN110238420A (en) * | 2019-07-23 | 2019-09-17 | 安徽霍山龙鑫金属科技有限公司 | A kind of casting drilling machine being convenient to clean |
| CN110238420B (en) * | 2019-07-23 | 2020-11-10 | 安徽霍山龙鑫金属科技有限公司 | Drilling machine for foundry goods convenient to clearance |
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Legal Events
| 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: 20180615 |