CN210505338U - Hoist engine for building - Google Patents
Hoist engine for building Download PDFInfo
- Publication number
- CN210505338U CN210505338U CN201921355895.5U CN201921355895U CN210505338U CN 210505338 U CN210505338 U CN 210505338U CN 201921355895 U CN201921355895 U CN 201921355895U CN 210505338 U CN210505338 U CN 210505338U
- Authority
- CN
- China
- Prior art keywords
- sliding
- frame
- wire rope
- hoist
- reel
- 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
Images
Landscapes
- Pulleys (AREA)
Abstract
The utility model discloses a hoist engine for building relates to hoisting equipment's technical field, including frame and reel, it has wire rope to coil on the reel, be provided with the backup pad of a pair of relative setting in the frame, contained angle between backup pad and the frame bottom surface is adjustable, and the one end of two backup pads is rotated and is connected with the guide frame, the guide frame is located the reel top, it is used for cleaing away the clastic scrap removal subassembly that produces because of the friction to slide to be provided with in the guide frame, the scrap removal subassembly includes sliding connection and follows the gliding sliding frame that is on a parallel with reel axis direction in the guide frame, the sliding frame internal fixation has the sponge piece, set up the through-wire hole that supplies wire rope to pass on the sponge piece, it has lubricating oil to soak on the. Through the setting, can reduce the piece of adhesion on wire rope when the reel carries out the rolling to lubricate wire rope, further alleviate the friction damage that wire rope received at rolling and during operation, the effectual life who prolongs wire rope.
Description
Technical Field
The utility model belongs to the technical field of hoisting equipment's technique and specifically relates to a hoist engine for building is related to.
Background
The hoist is a light and small-sized hoisting device for hoisting or pulling heavy objects by winding a steel wire rope or a chain on a winding drum. The hoist can drag the heavy object vertically, horizontally or obliquely. The winding machine is divided into a manual winding machine and an electric winding machine, and the electric winding machine is mainly used along with the development of the industry. Can be used independently, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, and is widely applied due to simple operation, large rope winding amount and convenient displacement. The lifting device is mainly applied to material lifting or flat dragging of buildings, hydraulic engineering, forestry, mines, wharfs and the like.
Chinese patent with the grant publication number of CN206735682U, a winding engine is proposed, which comprises a frame, rotate the reel of connection in the frame through the bearing frame, wire rope and the motor of coiling on the reel, the motor is connected with the reduction gear, the output of reduction gear is connected with the reel, the reel is kept away from reduction gear one side and is seted up with the endocentric arc draw-in groove of reel, the spout has been seted up on the bearing frame top, spout sliding connection has the joint post with arc draw-in groove matched with, the joint post is kept away from and is provided with the pressure spring between reel one side and the spout tip, the joint post is kept away from reel one side and is provided with the electro-magnet, the electro-magnet concatenat.
The above prior art solutions have the following drawbacks: when the hoist engine lifts by crane the heavy object, because wire rope can pull up the support member of heavy object with support wire rope between the production friction to make wire rope's surface wear produce the piece, piece meeting adhesion is on wire rope, and wire rope is when the rolling, and the piece of adhesion on wire rope can aggravate the friction between the wire rope, carries out secondary wear to wire rope.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hoist engine for building has the effect of piece and lubricated wire rope on the clearance wire rope, the effectual life who prolongs wire rope.
The utility model discloses a can realize through following technical scheme:
a hoist for building comprises a frame and a winding drum rotationally connected to the frame, wherein a steel wire rope is wound on the winding drum, a pair of oppositely arranged support plates are rotationally arranged at positions, close to two ends of the winding drum, on the frame, an included angle between each support plate and the bottom surface of the frame is adjustable, one end, far away from the frame, of each support plate is rotationally connected with a guide frame arranged in parallel with the axial direction of the winding drum, the guide frame is positioned above the winding drum, a scrap cleaning component used for cleaning scraps generated on the steel wire rope due to friction is slidably arranged in each guide frame, each scrap cleaning component comprises a sliding frame which is slidably connected in each guide frame and slides in the direction parallel with the axial direction of the winding drum, a sponge block is fixedly arranged in each sliding frame, and a through hole for the steel wire rope to pass through is formed in each sponge block, lubricating oil is soaked on the sponge block.
By adopting the technical scheme, the support plate is rotatably arranged on the frame, the guide frame is fixed on the support plate, the straight section of the steel wire rope penetrates through the guide frame, the support plate is adjusted by rotating to be parallel to the straight section of the steel wire rope all the time in a working state, so that the influence of the guide frame on the track of the steel wire rope is further prevented, the sliding frame is slidably connected in the guide frame, the sliding frame is internally fixed with the sponge block, the sponge block is provided with the through hole for the steel wire rope to penetrate through, when the winding drum is wound along with the steel wire rope, the sliding frame slides in the guide frame under the action of the steel wire rope, the phenomenon of changing the track of the straight section of the steel wire rope is further reduced, when the winding drum is wound, the sponge block can clean scraps adhered on the steel wire rope, the sponge block is soaked with lubricating oil to lubricate the steel wire rope, and the friction damage, the service life of the steel wire rope is effectively prolonged.
Further setting the following steps: the inside wall circumference of sliding frame has seted up the round mounting groove, the week side joint of sponge piece is in the mounting groove.
Through adopting above-mentioned technical scheme, set up the mounting groove through inside wall circumference at the sliding frame, make the sponge piece fix in the mounting groove, the effectual job stabilization nature that improves the last disintegrating slag of sponge piece clearance wire rope.
Further setting the following steps: the side frame of the sliding frame is in threaded connection with a plurality of fixing bolts, the fixing bolts penetrate through the mounting groove, and the sponge block is fixed in the mounting groove through the fixing bolts.
Through adopting above-mentioned technical scheme, through the fixing bolt that a plurality of running through mounting groove set up of threaded connection on the frame of sliding frame for the periphery of sponge piece is fixed in the mounting groove, and the effectual stability that improves the garrulous sediment on the sponge piece clearance wire rope further prevents the phenomenon appearance of sponge piece roll-off sliding frame.
Further setting the following steps: the end faces, close to each other, of the two side frames of the guide frame, parallel to the axis of the winding drum are provided with a pair of oppositely arranged sliding grooves, and the sliding frame is connected in the sliding grooves in a sliding mode.
By adopting the technical scheme, the sliding groove is formed in the guide frame, the sliding frame is connected in the sliding groove in a sliding mode, the connection between the guide frame and the sliding frame is enhanced through the sliding groove, and the sliding stability of the sliding frame on the guide frame is further enhanced.
Further setting the following steps: and a sliding block is fixed at the position of the sliding frame corresponding to the sliding groove, and one end of the sliding block, which is far away from the sliding frame, penetrates into the sliding groove and is connected in the sliding groove in a sliding manner.
Through adopting above-mentioned technical scheme, the position fixed connection slider for the spout on the sliding frame to make the slider wear into the spout and sliding connection in the spout, the effectual stability of being connected between sliding frame and the guide frame that has strengthened, further prevent that the sliding frame from breaking away from the phenomenon appearance of guide frame.
Further setting the following steps: the end face, opposite to the inner wall of the sliding chute, of the sliding block is rotatably connected with a plurality of idler wheels, and the idler wheels are respectively abutted against the corresponding inner wall of the sliding chute.
Through adopting above-mentioned technical scheme, through rotating the connection gyro wheel on the terminal surface at the slider for the spout inner wall to make the gyro wheel butt on the inner wall of spout, convert the sliding friction in slider and the spout into the rolling friction of gyro wheel and spout inner wall, the effectual frictional force that has reduced between slider and the spout inner wall.
Further setting the following steps: a connecting seat is fixed on the position, close to the supporting plate, of the rack, one end, close to the connecting seat, of the supporting plate is rotatably connected to the connecting seat, and the supporting plate is parallel to the stretched straight part of the steel wire rope and is fixed with the connecting seat in the working state.
Through adopting above-mentioned technical scheme, through setting up the connecting seat in the frame to make the backup pad rotate to be connected on the connecting seat, the effectual job stabilization nature who improves the backup pad.
Further setting the following steps: the connecting seat is provided with a plurality of limiting grooves along the radius direction of the rotating running track of the supporting plate, the supporting plate is provided with a positioning hole which penetrates through the supporting plate and has the aperture equal to the groove width of the limiting groove, a limiting pin penetrates through the positioning hole, and when the supporting plate is in a working state, the limiting pin penetrates through the positioning hole and the limiting groove.
Through adopting above-mentioned technical scheme, set up the locating hole in the backup pad to set up a plurality of spacing grooves on the connecting seat, the locating hole uses with the spacing groove is supporting, wears to establish and the joint is in locating hole and spacing groove through making the spacer pin, makes the backup pad be in stable state, the effectual stability that improves backup pad work.
To sum up, the utility model discloses a beneficial technological effect does:
(1) when the winding drum is wound along with the steel wire rope, under the action of the sponge block, scraps adhered to the steel wire rope are cleaned, lubricating oil is soaked on the sponge block to lubricate the steel wire rope, friction damage to the steel wire rope during winding and working is reduced, and the service life of the steel wire rope is effectively prolonged;
(2) the scrapping phenomenon of the steel wire rope is reduced, and the input cost is effectively saved;
(3) simple structure, convenient operation and maintenance.
Drawings
Fig. 1 is a schematic view showing an overall construction of a hoist for construction;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a partially enlarged view of portion B of fig. 2.
Reference numerals: 1. a frame; 2. a reel; 3. a drive motor; 4. a speed reducer; 5. a brake; 6. a wire rope; 7. a connecting seat; 8. a support plate; 9. a rotating shaft; 10. a limiting groove; 11. positioning holes; 12. a spacing pin; 13. a guide frame; 14. a sliding frame; 15. a sponge block; 16. a chute; 17. a slider; 18. a roller; 19. mounting grooves; 20. fixing the bolt; 21. a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a hoist engine for building, including frame 1 and the reel 2 of rotating the connection in frame 1 and the level setting, still be fixed with driving motor 3 in frame 1, the axis of the 3 output shafts of driving motor is on a parallel with the axis of reel 2. The driving motor 3 is fixedly connected with the speed reducer 4, an output shaft of the driving motor 3 is connected with an output shaft of the speed reducer 4 through a coupler, the coupler is provided with a brake 5, and the installation and the structure of the brake 5 are well known to those skilled in the art and are not described herein again.
Referring to fig. 1 and 2, another output shaft of the reducer 4 far away from the driving motor 3 is fixed with the winding drum 2, a steel wire rope 6 is wound on the winding drum 2, connecting seats 7 which are vertically arranged are fixedly connected to positions, close to two ends of the winding drum 2, on the rack 1, and the two connecting seats 7 are symmetrically arranged with the central line of the axis of the winding drum 2. Rotating on connecting seat 7 and being connected with backup pad 8, the pivot 9 that the one end fixedly connected with perpendicular to connecting plate's of connecting plate face set up has seted up the connecting hole on connecting seat 7, and has cup jointed the bearing in the connecting hole, and pivot 9 is fixed in the bearing, and backup pad 8 can revolute the axis of pivot 9 and rotate. The included angle between the supporting plate 8 and the bottom surface of the frame 1 can be adjusted by rotating the supporting plate 8, so that the supporting plate 8 is parallel to the straight part of the steel wire rope 6 in the working state.
Referring to fig. 2, the support plate 8 is fixed to the connection seat 7 when in a working state, a plurality of limiting grooves 10 are formed in the connection seat 7 along a radius direction of a rotating movement track of the support plate 8, and the support plate 8 is provided with positioning holes 11 penetrating through the support plate 8. The aperture of the positioning hole 11 is equal to the width of the limiting groove 10, the limiting pin 12 penetrates through the positioning hole 11, and when the support plate 8 is in a working state, the limiting pin 12 penetrates through the positioning hole 11 and the limiting groove 10, so that the support plate 8 is in a stable state.
Referring to fig. 2 and 3, one end of each of the two support plates 8, which is far away from the frame 1, is rotatably connected with a guide frame 13 which is arranged in parallel to the axial direction of the winding drum 2, the guide frame 13 is positioned between the two support plates 8, one end of each of the guide frames 13, which is close to the support plate 8, is fixedly connected with a horizontally arranged connecting shaft, and the connecting shaft is rotatably connected to the support plate 8. The stretched straight section of the steel wire rope 6 always penetrates through the guide frame 13, and a scrap cleaning component for cleaning scraps generated on the steel wire rope 6 due to friction is arranged in the guide frame 13 in a sliding mode.
Referring to fig. 3, the debris removing assembly includes a sliding frame 14 slidably coupled in the guide frame 13 and sliding in a direction parallel to the axis of the roll 2, and a sponge block 15 fixed in the sliding frame 14. The end faces, close to each other, of the two side frames of the guide frame 13 parallel to the axis of the winding drum 2 are provided with a pair of oppositely arranged sliding chutes 16, and the long side direction of each sliding chute 16 is parallel to the axis of the winding drum 2. The sliding frame 14 is fixedly connected with a sliding block 17 matched with the sliding groove 16 relative to the sliding groove 16, and one end of the sliding block 17 far away from the sliding frame 14 penetrates into the sliding groove 16 and is connected in the sliding groove 16 in a sliding mode. In order to reduce the friction between the sliding block 17 and the sliding chute 16, a plurality of rollers 18 are rotatably connected to the end surface of the sliding block 17 opposite to the inner wall of the sliding chute 16, and the plurality of rollers 18 respectively abut against the corresponding inner wall of the sliding chute 16.
Referring to fig. 3, a circle of mounting groove 19 is seted up to the inside wall circumference of sliding frame 14, and the week side joint of sponge piece 15 is in mounting groove 19, and threaded connection has a plurality of fixing bolt 20 on the side frame of sliding frame 14, and fixing bolt 20 passes mounting groove 19, and sponge piece 15 passes through fixing bolt 20 to be fixed in mounting groove 19. The sponge block 15 is provided with a through hole 21 which penetrates through the sponge block 15, the steel wire rope 6 penetrates through the through hole 21, and lubricating oil for lubricating the steel wire rope 6 is soaked in the sponge block 15.
The implementation principle and the beneficial effects of the embodiment are as follows:
when the winch works, one end of the steel wire rope 6 fixes heavy objects, the other end of the steel wire rope 6 fixes on the winding drum 2, the steel wire rope 6 pulls the heavy objects to be different in height, the straight section of the steel wire rope 6 is different from the tangent position of the winding drum 2, the supporting plate 8 is adjusted through rotation and keeps parallel to the straight section of the steel wire rope 6 all the time, the straight section of the steel wire rope 6 penetrates through the through hole 21 in the sponge block 15, when the steel wire rope 6 is wound and unwound, the sliding frame 14 slides in the sliding groove 16, as the steel wire rope 6 passes through the load bearing of a hoisting object, the straight section of the steel wire rope 6 and the tangent position of the winding drum 2 can be used for increasing and reducing the winding amount of the steel wire rope 6 on the winding drum 2 to change, therefore, the guide frame 13 is connected with the supporting plate. The sponge piece 15 can clear up the piece of adhesion on wire rope 6 when reel 2 carries out the rolling to soak the lubricating oil on sponge piece 15, lubricate wire rope 6, alleviate the friction damage that wire rope 6 received at rolling and during operation, the effectual life who prolongs wire rope 6.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a hoist engine for building, includes that frame (1) is connected with rotating reel (2) on frame (1), it has wire rope (6), its characterized in that to coil on reel (2): a pair of oppositely arranged supporting plates (8) are rotatably arranged at positions, close to two ends of the winding drum (2), on the rack (1), included angles between the supporting plates (8) and the bottom surface of the rack (1) are adjustable, one ends, far away from the rack (1), of the two supporting plates (8) are rotatably connected with guide frames (13) which are arranged in parallel to the axis direction of the winding drum (2), the guide frames (13) are positioned above the winding drum (2), scrap cleaning components used for cleaning scraps generated on the steel wire rope (6) due to friction are arranged in the guide frames (13) in a sliding mode and comprise sliding frames (14) which are connected in the guide frames (13) in a sliding mode and slide in the direction parallel to the axis direction of the winding drum (2), sponge blocks (15) are fixed in the sliding frames (14), and through hole (21) for the steel wire rope (6) to pass through are formed in the sponge blocks (15), lubricating oil is soaked on the sponge block (15).
2. The hoist for building as claimed in claim 1, wherein: the inner side wall circumference of sliding frame (14) has seted up round mounting groove (19), the week side joint of sponge piece (15) is in mounting groove (19).
3. The hoist for building as claimed in claim 2, wherein: the side frame of the sliding frame (14) is in threaded connection with a plurality of fixing bolts (20), the fixing bolts (20) penetrate through the mounting grooves (19), and the sponge block (15) is fixed in the mounting grooves (19) through the fixing bolts (20).
4. The hoist for building according to claim 3, wherein: the end faces, close to each other, of two side frames of the guide frame (13) parallel to the axis of the winding drum (2) are provided with a pair of oppositely arranged sliding grooves (16), and the sliding frame (14) is connected in the sliding grooves (16) in a sliding mode.
5. The hoist for building according to claim 4, wherein: a sliding block (17) is fixed at the position of the sliding frame (14) relative to the sliding groove (16), and one end, far away from the sliding frame (14), of the sliding block (17) penetrates into the sliding groove (16) and is connected in the sliding groove (16) in a sliding mode.
6. The hoist for building according to claim 5, wherein: the end face, corresponding to the inner wall of the sliding chute (16), of the sliding block (17) is rotatably connected with a plurality of rollers (18), and the rollers (18) are respectively abutted to the corresponding inner wall of the sliding chute (16).
7. The hoist for building as claimed in claim 1, wherein: a connecting seat (7) is fixed on the position, close to the supporting plate (8), of the rack (1), one end, close to the connecting seat (7), of the supporting plate (8) is rotatably connected to the connecting seat (7), and the supporting plate (8) is parallel to the stretched straight part of the steel wire rope (6) and is fixed with the connecting seat (7) in the working state.
8. The hoist for building as claimed in claim 7, wherein: the connecting seat (7) is provided with a plurality of limiting grooves (10) along the radius direction of the rotating running track of the supporting plate (8), the supporting plate (8) is provided with a positioning hole (11) which penetrates through the supporting plate (8) and has the same aperture as the groove width of the limiting groove (10), a limiting pin (12) penetrates through the positioning hole (11), and when the supporting plate (8) is in a working state, the limiting pin (12) penetrates through the positioning hole (11) and the limiting groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355895.5U CN210505338U (en) | 2019-08-17 | 2019-08-17 | Hoist engine for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355895.5U CN210505338U (en) | 2019-08-17 | 2019-08-17 | Hoist engine for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210505338U true CN210505338U (en) | 2020-05-12 |
Family
ID=70590496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921355895.5U Expired - Fee Related CN210505338U (en) | 2019-08-17 | 2019-08-17 | Hoist engine for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210505338U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323735A (en) * | 2020-10-14 | 2021-02-05 | 陈斌 | Hoist type hoist and close machine cable wire protector for hydraulic engineering |
| CN112374404A (en) * | 2021-01-18 | 2021-02-19 | 河南巨人起重机集团有限公司 | Unattended intelligent crane |
| CN112408227A (en) * | 2020-10-23 | 2021-02-26 | 柳州铁道职业技术学院 | Steel wire rope bearing support for building construction lifting device |
| CN114572879A (en) * | 2022-03-15 | 2022-06-03 | 南通凯业机械有限公司 | Improved electric hoister |
| CN114923375A (en) * | 2022-05-10 | 2022-08-19 | 蓝箭航天空间科技股份有限公司 | Carrier rocket connector pulling-out device |
| CN117819417A (en) * | 2024-01-17 | 2024-04-05 | 南京工业大学 | Lowering equipment of hydraulic structure defect detection robot and lowering detection method thereof |
-
2019
- 2019-08-17 CN CN201921355895.5U patent/CN210505338U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323735A (en) * | 2020-10-14 | 2021-02-05 | 陈斌 | Hoist type hoist and close machine cable wire protector for hydraulic engineering |
| CN112323735B (en) * | 2020-10-14 | 2021-11-30 | 安徽盛雄建设工程有限公司 | Hoist type hoist and close machine cable wire protector for hydraulic engineering |
| CN112408227A (en) * | 2020-10-23 | 2021-02-26 | 柳州铁道职业技术学院 | Steel wire rope bearing support for building construction lifting device |
| CN112374404A (en) * | 2021-01-18 | 2021-02-19 | 河南巨人起重机集团有限公司 | Unattended intelligent crane |
| CN112374404B (en) * | 2021-01-18 | 2021-04-02 | 河南巨人起重机集团有限公司 | Unattended intelligent crane |
| CN114572879A (en) * | 2022-03-15 | 2022-06-03 | 南通凯业机械有限公司 | Improved electric hoister |
| CN114923375A (en) * | 2022-05-10 | 2022-08-19 | 蓝箭航天空间科技股份有限公司 | Carrier rocket connector pulling-out device |
| CN117819417A (en) * | 2024-01-17 | 2024-04-05 | 南京工业大学 | Lowering equipment of hydraulic structure defect detection robot and lowering detection method thereof |
| CN117819417B (en) * | 2024-01-17 | 2024-06-11 | 南京工业大学 | Lowering equipment of hydraulic structure defect detection robot and lowering detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210505338U (en) | Hoist engine for building | |
| CN112279091A (en) | Lifting mechanism of bridge crane | |
| CN110342386B (en) | Main hook electromagnetic bridge crane | |
| CN2908450Y (en) | Rope guiding device | |
| US2978992A (en) | Truck for underhung type overhead crane | |
| CN216737214U (en) | Bulk cargo grab bucket pivoted rope wheel device that leads | |
| CN112145088A (en) | Rotary drilling rig and guide pulley frame thereof | |
| CN211146044U (en) | Hoisting device with function of lubricating underground steel wire rope | |
| CN212503548U (en) | Elevator traction sheave device with function of preventing deviation of traction rope | |
| CN210557492U (en) | Torsion arm head frame of return tractor | |
| CN2918366Y (en) | Oscillatory winch rope discharging mechanism | |
| CN202729681U (en) | Winch rope guider of well drilling rope | |
| CN214035548U (en) | Rotary drilling rig and guide pulley frame thereof | |
| CN202492314U (en) | Traction wire rope supporting roller | |
| CN206828890U (en) | Industrial and mineral track maintenance device | |
| CN210824976U (en) | Automatic monitoring device for abrasion of elevator traction wheel | |
| CN216896703U (en) | Oiling station of endless rope winch wire rope | |
| CN1060136C (en) | Special heavy casting crane | |
| CN219449115U (en) | Single-beam steel wire rope electric hoist for port machine and assembly structure of parts of single-beam steel wire rope electric hoist | |
| CN215048275U (en) | Rope supporting wheel set and endless rope winch | |
| CN210825214U (en) | Wear-proof motor-driven winch | |
| CN205114865U (en) | Follow plate turnover with adjustable portal slewing crane | |
| CN205932976U (en) | Counter weight structure for oxidation hoist | |
| CN204254234U (en) | A kind of travelling crane wire rope fiction drive assistant tool | |
| CN113800422B (en) | Winch capable of being hoisted in multi-angle transformation manner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |