CN210753930U - Hydraulic engineering sluice cleaning equipment - Google Patents
Hydraulic engineering sluice cleaning equipment Download PDFInfo
- Publication number
- CN210753930U CN210753930U CN201921822147.3U CN201921822147U CN210753930U CN 210753930 U CN210753930 U CN 210753930U CN 201921822147 U CN201921822147 U CN 201921822147U CN 210753930 U CN210753930 U CN 210753930U
- Authority
- CN
- China
- Prior art keywords
- gate
- wall
- electric telescopic
- box
- cleaning
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- 239000007788 liquid Substances 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a hydraulic engineering sluice cleaning equipment in hydraulic engineering technical field, including the floodgate body, gate and river course, the floodgate body sets up on the river course, the gate sets up on the floodgate body, the equal fixed drive that is provided with the structure the same in floodgate body left and right sides outer wall top bears the case, drive bears the bottom of the case portion and is provided with electric telescopic handle one, controls the side equal fixedly connected with in electric telescopic handle bottom and the clean piece of gate complex, the utility model discloses all be provided with drive bearing box, electric telescopic handle one and clean piece on floodgate body left and right sides, can clean the both sides of gate, and cleaning quality is higher, adopts the adjustable bottom clean piece back-and-forth movement of drive bearing box, adopts electric telescopic handle to drive the clean piece in bottom and reciprocates to make things convenient for the more comprehensive clean gate of clean piece.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field specifically is a hydraulic engineering sluice cleaning equipment.
Background
In hydraulic engineering, the sluice gate closes the gate as the building of manger plate, sluicing or water intaking, can block flood, keep off tide, impoundment and raise the upper reaches water level to satisfy the needs of upstream water intaking or navigation, open the gate, can flood discharge, drainage, fill sand, water intaking or adjust the flow according to the needs of low reaches water consumption. The application of the sluice in hydraulic engineering is very extensive, and the sluice is built in riverways, canal systems, reservoirs, lakes and coastal areas, and is widely applied, but because the sluice is immersed in water for a long time, moss easily grows, the surface of the sluice is easy to rust and difficult to clean, and the normal work of the sluice is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic engineering sluice cleaning equipment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic engineering sluice cleaning device comprises a sluice body, a sluice and a river channel, wherein the sluice body is arranged on the river channel, the sluice is arranged on the sluice body, driving bearing boxes with the same structure are fixedly arranged at the tops of the left and right outer walls of the sluice, a first electric telescopic rod is arranged at the bottom of each driving bearing box, cleaning pieces matched with the sluice are fixedly connected at the bottoms of the first electric telescopic rods at the left and right sides, the cleaning pieces at the left and right sides are the same in structure, each cleaning piece comprises a cleaning box connected with the bottom end of the corresponding electric telescopic rod, one side of the cleaning box, which is close to the sluice, is hollow, a second electric telescopic rod is arranged in the center of the inner wall of one side of the cleaning box, which is far away from the sluice, a movable plate is connected with the other end of the second electric telescopic rod through a support, and is slidably arranged in the cleaning box, the guide rod is fixedly arranged between the top and bottom front-end insert blocks, the screw rod is movably arranged between the middle front-end insert block and the bottom front-end insert block through the bearing, the sliding sleeve is movably sleeved on the outer wall of the top and bottom guide rod, the thread sleeve is sleeved on the outer wall of the screw rod in a threaded mode, the thread sleeve and the sliding sleeve are fixedly connected with a scraper close to one side of the gate, a micro servo motor is arranged on the front side of the outer wall of one side, close to the support, of the movable plate, the output end of the micro servo motor penetrates through the movable plate and is provided with a driving bevel gear, and the front.
Further, the drive bearing box comprises a box body fixed on the outer wall of the brake body, a protective shell is fixedly arranged on the outer wall of the front side of the box body, a servo motor is arranged in the protective shell, the output end of the servo motor penetrates through the rear side of the protective shell and the front side of the box body and is connected with a lead screw, the rear end of the lead screw passes through a bearing and is movably connected with the inner wall of the rear side of the box body, a movable plate is sleeved on the outer wall of the lead screw in a threaded mode, supporting rods are fixedly arranged at the left end and the right end of the bottom of the movable plate, a connecting plate is fixedly connected with the bottom of the box body and penetrates through the bottom of.
And reinforcing ribs are arranged between the top of the outer wall of the front side and the bottom of the movable plate of the left support rod and the right support rod, and reinforcing ribs are arranged between the bottom of the outer wall of the front side and the bottom of the outer wall of the rear side of the support rod and the top of the connecting plate.
Further, control the side the drive bears case one side outer wall that backs on the back of the body all to be provided with the stock solution shell, stock solution shell bottom is provided with the micropump, and micropump input end passes through the pipeline and is connected with stock solution shell bottom, and micropump output end is provided with the conveyer pipe, controls the side clean box is pegged graft at one side outer wall top that backs on the back mutually and is had the spray tube, the one end that the spray tube is close to the gate runs through the movable plate, the conveyer pipe other end is connected with the one end that the gate was kept away.
Further, the left side and the right side of the top of the moving plate are both provided with guide sliding blocks, and the inner walls of the top and the bottom of the cleaning box are transversely provided with guide sliding grooves matched with the guide sliding blocks.
Furthermore, scraping teeth are uniformly arranged on one side, close to the gate, of the scraping plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses all be provided with the drive and bear the case on the left and right sides of the floodgate body, electric telescopic handle one and cleaning member, can clean the both sides of gate, clean quality is higher, adopt the adjustable bottom cleaning member back-and-forth movement of drive bearing case, adopt electric telescopic handle to drive the bottom cleaning member and reciprocate, thereby make things convenient for the more comprehensive clean gate of cleaning member, be provided with cleaning member simultaneously, can drive the movable plate through electric telescopic handle two and remove, and then make the better contact gate of scraper blade, drive the scraper blade back-and-forth movement through miniature servo motor, and then strike off moss and iron rust on the gate through the scraper blade with scraping the tooth, clean quality is better, clean efficiency is higher, cooperate the liquid storage shell simultaneously, the micropump, conveyer pipe and spray tube, further improve and.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the cleaning member of the present invention;
fig. 3 is a schematic view of the structure of the driving carrying box of the present invention.
In the figure: 1. a gate body; 2. a gate; 3. a river channel; 4. a nozzle; 5. a delivery pipe; 6. driving the bearing box; 61. a box body; 62. a servo motor; 63. a lead screw; 64. a movable plate; 65. a support bar; 66. a connecting plate; 7. a first electric telescopic rod; 8. a cleaning member; 81. a cleaning box; 82. a second electric telescopic rod; 83. moving the plate; 84. a guide bar; 85. a squeegee; 86. a screw; 87. a micro servo motor; 9. and (4) storing the liquid shell.
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 kind of hydraulic engineering sluice cleaning equipment, please refer to fig. 1, including the gate body 1, gate 2 and river course 3, the gate body 1 is set up on the river course 3, the gate 2 is set up on the gate body 1, gate 2 and river course 3 are prior art, it is extensive to apply in this field, do not make detailed description here additionally, the utility model discloses in electrical element all with external master controller and through the power supply of external power, and the master controller can play the conventional known apparatus controlled for the computer etc.;
referring to fig. 1, drive carrier boxes 6 with the same structure are fixedly arranged at the top of the outer walls of the left and right sides of the gate body 1, and are used for adjusting the cleaning position of the cleaning member 8;
referring to fig. 1, an electric telescopic rod I7 is arranged at the bottom of a driving bearing box 6, cleaning pieces 8 matched with a gate 2 are fixedly connected to the bottoms of the left and right electric telescopic rods I7, the left and right cleaning pieces 8 are identical in structure, and the electric telescopic rods I7 are used for driving the cleaning pieces 8 to lift up and down to enable the cleaning pieces 8 to reach the designated position of the gate 2 for cleaning;
referring to fig. 2, the cleaning member 8 includes a cleaning box 81 connected to the bottom end of the first electric telescopic rod 7, one side of the cleaning box 81 close to the gate 2 is hollow, a second electric telescopic rod 82 is disposed in the center of the inner wall of the cleaning box 81 far from the gate 2, the second electric telescopic rod 82 can be fixed to the inner wall of the cleaning box 81 by a screw or bolt, the other end of the second electric telescopic rod 82 is connected to a moving plate 83 through a bracket, the moving plate 83 is slidably disposed in the cleaning box 81, and the second electric telescopic rod 82 is used for driving the moving plate 83 to enable the moving plate 83 to contact the gate 2;
referring to fig. 2, inserts are respectively arranged on the top, middle and bottom front and back sides of the outer wall of one side of the moving plate 83, which is far away from the bracket, a guide rod 84 is fixedly arranged between the inserts at the top and bottom front and back ends, the guide rod 84 ensures the stability of the forward and backward movement of the scraper 85, a screw 86 is movably arranged between the inserts at the middle front and back ends through a bearing, the rear end of the screw 86 is movably connected with the front side of the insert at the middle rear end through a bearing, the screw 86 is used for driving the scraper 85 to move forward and backward, sliding sleeves are movably sleeved on the outer walls of the top and bottom guide rods, threaded sleeves are sleeved on the outer walls of the screw 86, the sliding sleeves and the threaded sleeves are positioned between the inserts at the front and back sides, the;
referring to fig. 2, a micro servo motor 87 is arranged on the front side of the outer wall of the moving plate 83 close to the bracket, the micro servo motor 87 can be fixed on the outer wall of the moving plate 83 by screws or bolts, the output end of the micro servo motor 87 penetrates through the moving plate 83 and is provided with a drive bevel gear, the front end of a screw 86 penetrates through a front insert and is sleeved with a driven bevel gear meshed with the drive bevel gear, the micro servo motor 87 is adopted to drive the drive bevel gear, the screw 86 is driven to rotate by the matching of the drive bevel gear and the driven bevel gear, so that the scraper 85 moves back and forth to scrape green moss and iron rust, the cleaning quality is improved, the front-back driving scraping without the driving bearing box 6 has the effects of reducing the transmission strength of the electric telescopic rod one 7 on one hand, avoiding the damage of the electric;
as shown in fig. 3: the driving bearing box 6 comprises a box body 61 fixed on the outer wall of the brake body 1, and can be detachably mounted on the outer wall of the brake body 1 by bolts or other fixing components, these mounting structures are widely used in the field, and can be flexibly selected by those skilled in the art, and will not be described in detail herein, a protective housing is fixedly arranged on the outer wall of the front side of the box body 61 to protect the internal servo motor 62, a servo motor 62 is arranged in the protective housing, the servo motor 62 is fixed in the protective housing by bolts or bolts, the output end of the servo motor 62 penetrates through the rear side of the protective housing and the front side of the box body 61 and is connected with a lead screw 63, the rear end of the lead screw 63 is movably connected with the inner wall of the rear side of the box body 61 through a bearing, a movable plate 64 is sleeved on the outer wall of the lead screw 63, the lead screw 63 drives, the bottoms of the two groups of supporting rods 65 penetrate through the bottom of the box body 61 and are fixedly connected with a connecting plate 66, a movable opening matched with the supporting rods 65 is longitudinally formed in the bottom of the box body 61, the supporting rods 65 are matched with the movable opening, on one hand, the movable plate 64 cannot be driven by the screw 63 to rotate, and meanwhile, the limiting and guiding effects are achieved, the top of the electric telescopic rod I7 is fixedly connected with the bottom of the connecting plate 66, and the electric telescopic rod I7 can be detachably mounted at the bottom of the connecting plate 66 by bolts or other fixing parts;
as shown in fig. 3: reinforcing ribs are arranged between the tops of the outer walls of the front side and the rear side of the left supporting rod 65 and the bottom of the movable plate 64, and reinforcing ribs are arranged between the bottoms of the outer walls of the front side and the rear side of the left supporting rod 65 and the top of the connecting plate 66, so that the supporting strength is improved, and the service life is prolonged;
as shown in fig. 1 and 2: the outer wall of one back side of the left and right driving bearing boxes 6 is provided with a liquid storage shell 9, the liquid storage shell 9 can be fixed on the outer wall of the driving bearing box 6 by adopting a screw or bolt mode, cleaning liquid for matching is placed in the liquid storage shell 9, the bottom of the liquid storage shell 9 is provided with a micro pump, the micro pump can be fixed on the outer wall of the liquid storage shell 9 by adopting a screw or bolt mode, the input end of the micro pump is connected with the bottom of the liquid storage shell 9 through a pipeline, the output end of the micro pump is provided with a conveying pipe 5, the top of the outer wall of one back side of the cleaning box 81 on the left and right sides is inserted with a spray pipe 4, the cleaning box 81 is provided with a through hole matched with the spray pipe 4, the spray pipe 4 is fixed in the through hole, one end of the spray pipe 4 close to the gate 2 penetrates through the movable plate 83, the movable plate 83, the micro pump injects the cleaning liquid in the liquid storage shell 9 into the delivery pipe 5 and then injects the cleaning liquid into the spray pipe 4 to spray, and the delivery pipe 5 adopts a flexible hose;
as shown in fig. 2: the left side and the right side of the top of the movable plate 83 are both provided with a guide sliding block, the inner walls of the top and the bottom of the cleaning box 81 are transversely provided with guide sliding grooves matched with the guide sliding blocks, the stability of the movable plate 83 driven by the electric telescopic rod II 82 is ensured through the matching of the guide sliding blocks and the guide sliding grooves, and meanwhile, the movable plate 83 cannot be separated from the cleaning box 81;
as shown in fig. 2: the scraping teeth are uniformly arranged on one side, close to the gate 2, of the scraping plate 85, the cleaning capacity of the scraping plate 85 is improved through the scraping teeth, and therefore the scraping plate 85 can better scrape moss and rust.
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 (6)
1. The utility model provides a hydraulic engineering sluice cleaning equipment, includes the floodgate body (1), gate (2) and river course (3), the floodgate body (1) sets up on river course (3), gate (2) set up on the floodgate body (1), its characterized in that: the gate is characterized in that the top of the outer wall of the left side and the top of the right side of the gate body (1) are fixedly provided with a driving bearing box (6) with the same structure, the bottom of the driving bearing box (6) is provided with a first electric telescopic rod (7), the bottom of the first electric telescopic rod (7) is fixedly connected with a cleaning part (8) matched with the gate (2), the structure of the cleaning part (8) on the left side and the right side is the same, the cleaning part (8) comprises a cleaning box (81) connected with the bottom end of the first electric telescopic rod (7), one side of the cleaning box (81) close to the gate (2) is hollow, the center of the inner wall of one side of the cleaning box (81) far away from the gate (2) is provided with a second electric telescopic rod (82), the other end of the second electric telescopic rod (82) is connected with a movable plate (83) through a support, the movable plate (83, The middle part and the bottom front and back sides are provided with inserts, guide rods (84) are fixedly arranged between the top part and the bottom front and back end inserts, a screw (86) is movably arranged between the middle part front and back end inserts through a bearing, sliding sleeves are movably sleeved on the outer walls of the top part and the bottom guide rods, threaded sleeves are sleeved on the outer walls of the screw (86) in a threaded manner, a scraper (85) is fixedly connected to one side, close to the gate (2), of each threaded sleeve and the corresponding sliding sleeve, a micro servo motor (87) is arranged on the front side, close to the support, of the outer wall of one side of the movable plate (83), the output end of the micro servo motor (87) penetrates through the movable plate (83) and is provided with a driving bevel gear, and the front.
2. The hydraulic engineering sluice cleaning equipment of claim 1, wherein: the drive bearing box (6) comprises a box body (61) fixed on the outer wall of the brake body (1), a protective shell is fixedly arranged on the outer wall of the front side of the box body (61), a servo motor (62) is arranged in the protective shell, the output end of the servo motor (62) penetrates through the rear side of the protective shell and the front side of the box body (61) and is connected with a screw rod (63), the rear end of the screw rod (63) is movably connected with the inner wall of the rear side of the box body (61) through a bearing, a movable plate (64) is sleeved on the outer wall of the screw rod (63) in a threaded manner, supporting rods (65) are fixedly arranged at the left end and the right end of the bottom of the movable plate (64), the bottoms of the two groups of supporting rods (65) penetrate through the bottom of the box body (61) and are fixedly connected with connecting plates (66), the bottom of the box body (61) is longitudinally provided with a movable opening matched with the support rod (65), the top of the electric telescopic rod I (7) is fixedly connected with the bottom of the connecting plate (66).
3. The hydraulic engineering sluice cleaning equipment of claim 2, wherein: and reinforcing ribs are arranged between the tops of the outer walls of the front side and the rear side of the supporting rod (65) and the bottom of the movable plate (64), and reinforcing ribs are arranged between the bottoms of the outer walls of the front side and the rear side of the supporting rod (65) and the tops of the connecting plates (66).
4. The hydraulic engineering sluice cleaning equipment of claim 1, wherein: left and right side drive bearing box (6) one side outer wall of carrying on the back mutually all is provided with liquid storage shell (9), liquid storage shell (9) bottom is provided with the micropump, and micropump input end passes through the pipeline and is connected bottom liquid storage shell (9), and micropump output end is provided with conveyer pipe (5), controls the side clean box (81) one side outer wall top of carrying on the back mutually pegs graft and have spray tube (4), movable plate (83) are run through to the one end that spray tube (4) are close to gate (2), the one end that gate (2) were kept away from with spray tube (4) to the conveyer pipe (5) other end is connected.
5. The hydraulic engineering sluice cleaning equipment of claim 1, wherein: the left side and the right side of the top of the moving plate (83) are both provided with guide sliding blocks, and the top and the bottom inner wall of the cleaning box (81) are transversely provided with guide sliding grooves matched with the guide sliding blocks.
6. The hydraulic engineering sluice cleaning equipment of claim 1, wherein: scraping teeth are uniformly arranged on one side, close to the gate (2), of the scraping plate (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822147.3U CN210753930U (en) | 2019-10-28 | 2019-10-28 | Hydraulic engineering sluice cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822147.3U CN210753930U (en) | 2019-10-28 | 2019-10-28 | Hydraulic engineering sluice cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210753930U true CN210753930U (en) | 2020-06-16 |
Family
ID=71053424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921822147.3U Expired - Fee Related CN210753930U (en) | 2019-10-28 | 2019-10-28 | Hydraulic engineering sluice cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210753930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565069A (en) * | 2021-08-26 | 2021-10-29 | 金华市成源建设工程有限公司 | River sluice device for hydraulic engineering |
| CN113731925A (en) * | 2021-11-08 | 2021-12-03 | 速易思(山东)科技有限公司 | Ship part cleaning device |
-
2019
- 2019-10-28 CN CN201921822147.3U patent/CN210753930U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565069A (en) * | 2021-08-26 | 2021-10-29 | 金华市成源建设工程有限公司 | River sluice device for hydraulic engineering |
| CN113731925A (en) * | 2021-11-08 | 2021-12-03 | 速易思(山东)科技有限公司 | Ship part cleaning device |
| CN113731925B (en) * | 2021-11-08 | 2022-02-15 | 速易思(山东)科技有限公司 | Ship part cleaning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210753930U (en) | Hydraulic engineering sluice cleaning equipment | |
| CN214695516U (en) | Floater fishing device for river channel treatment | |
| CN211080361U (en) | Water conservancy irrigation canals and ditches desilting device | |
| CN212944507U (en) | Self-cleaning denitrification anaerobic denitrification high tower device | |
| CN110616761A (en) | Water conservancy irrigation canals and ditches desilting device | |
| CN213826244U (en) | Pipeline descaling device | |
| CN111589767A (en) | Concrete clearing device on surface of small metal plate | |
| CN214482867U (en) | Breed sewage and scrape mud sewage equipment | |
| CN112900530B (en) | Environment-friendly hydraulic engineering ditch desilting device | |
| CN214637834U (en) | A point gum machine constructs for solar module | |
| CN214272201U (en) | Hydraulic engineering is with scraping mud mechanism with protection architecture | |
| CN212813618U (en) | Fish culture wastewater treatment device | |
| CN213476997U (en) | Water conservancy channel silt remover | |
| CN108172749A (en) | A kind of lithium battery fluid injection station crystallizes electrolyte automatic flushing device | |
| CN110404878B (en) | Valve cleaning device | |
| CN208056150U (en) | A kind of water conservancy and hydropower desilting equipment being convenient to clean | |
| CN208338594U (en) | A kind of hoggery pigsties trough | |
| CN215089294U (en) | Hydraulic engineering sluice cleaning equipment | |
| CN220978156U (en) | Regulating reservoir dredging device | |
| CN218692302U (en) | Waste liquid treatment tank for electrophoresis processing | |
| CN220486375U (en) | Water conservancy gate | |
| CN220266481U (en) | Water conservancy trash rack | |
| CN221313474U (en) | Impurity removing device for gear machining | |
| CN216674139U (en) | Water and soil conservation is with lawn planting sprinkling irrigation equipment | |
| CN221193508U (en) | River channel dredging device for treating medium and small river |
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: 20200616 |