CN214251761U - Bridge inhaul cable detection device - Google Patents
Bridge inhaul cable detection device Download PDFInfo
- Publication number
- CN214251761U CN214251761U CN202120267422.0U CN202120267422U CN214251761U CN 214251761 U CN214251761 U CN 214251761U CN 202120267422 U CN202120267422 U CN 202120267422U CN 214251761 U CN214251761 U CN 214251761U
- Authority
- CN
- China
- Prior art keywords
- brake
- image acquisition
- driving wheel
- detection device
- cable detection
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 230000009193 crawling Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 4
- 238000010521 absorption reaction Methods 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 230000009194 climbing Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 230000002493 climbing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001503987 Clematis vitalba Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a bridge cable detection device, including crawling system, image acquisition device, ground reception controlling means and belt cleaning device, image acquisition device is connected to the one end of crawling system, and belt cleaning device is connected to its other end, and crawling system, image acquisition device and belt cleaning device all receive ground reception controlling means's control, belt cleaning device includes high pressure nozzle, brush and the cotton that absorbs water, and the cotton one end of being close to image acquisition device is installed to the cotton that absorbs water, and the one end of keeping away from image acquisition device is installed to the shower nozzle, and the brush is located the shower nozzle and absorbs water between the cotton. This scheme is effectual has improved bridge cable detection device's picture shooting effect and efficiency, has reduced dust and foreign matter influence and has shot, has improved the efficiency that detects simultaneously, has reduced the manual work, and easy operation, facility have improved the safe in utilization of bridge simultaneously.
Description
Technical Field
The utility model relates to a bridge detects technical field, especially a bridge cable detection device.
Background
Since cable-stayed bridges are a new type of bridge that has been established in recent decades, the measures for detecting the guy cables are still very imperfect. The conventional stay cable inspection method at present comprises the following steps: manual visual inspection, support, hanging basket detection and maintenance.
For the manual visual inspection method, other mechanical external force is not used, and the visual inspection equipment is used for observation and inspection. Since the surface of the cable is generally dusty, this method does not allow all parts of the surface of the cable to be inspected clearly and does not allow for a clear view at every location. For the support method, only be adapted to the condition that the cable is less, otherwise this method operates inefficiency, and is with high costs, influences the traffic, and workman operational environment is extremely abominable, can even appear casualties accident. For the hanging basket detection and maintenance method, a fixed pulley hoisting point is arranged on the top of the tower, a winch drives a trolley and a hanging basket carrying people or paint through a steel wire rope, and people carry out comprehensive inspection and maintenance on all cables at high altitude. The method can meet daily inspection and maintenance of the stay cable, can perform maintenance work on the PE pipe, has good overall effect, is complex in whole equipment and huge in inspection cost, is only suitable for large-span stay cable bridges, and is high in quality and easy to cause secondary damage to cable sheaths.
Analysis shows that the detection methods have respective limitations and applicability, and no technology can conveniently and effectively realize regular detection and maintenance on the cable.
In the prior art, the existing damage detection device is also provided with a stay cable bridge robot detection device, but the device has the defects of self weight and large volume, and the damage to the stay cable can be caused by the device in the detection process. Secondly, the equipment mechanism is comparatively complicated, and the installation operation is too loaded down with trivial details. In addition, the equipment has high detection cost, complex equipment maintenance and high replacement cost.
In recent years, many scientific research units at home and abroad develop the technology and theoretical research work of the stay cable robot, but some detection devices of the stay cable have the defects of large overall mass, complex structure, inconvenient installation and adjustment and the like, and generally, the research of the robot is in the primary stage.
The patent No. CN109975390A discloses a device for detecting surface diseases of bridge inhaul cables, which comprises a climbing robot, a magnetic leakage detection unit and a control unit, wherein the magnetic leakage detection unit comprises a strong magnet part, a magnetic sensitive electronic component and a signal amplification circuit, the strong magnet part is provided with a groove, the magnetic sensitive electronic component is arranged in the groove, and the magnetic sensitive electronic component is connected with the signal amplification circuit; the magnetic flux leakage detection units are connected in series to form a magnetic flux leakage detection device which surrounds the cable body for a circle, and the magnetic flux leakage detection device is installed on the climbing robot; the signal amplification circuit is connected with the control unit, and the control unit is installed on the climbing robot. The utility model has the advantages that: the utility model has the advantages that adopt the magnetic leakage detecting element of specific shape for the rope body surface disease that is detected produces the impulse response signal package that has certain scale through when detecting the work piece, provides a crucial parameter foundation for the maintenance of bridge health and maintenance work.
Present cable surface is equipped with the sheath, but the sheath can be damaged after using for a long time, will get into rainwater oxidation cable in the sheath, influence the life of cable, however above-mentioned device detection precision is not high in the testing process, there is dust or foreign matter direct influence to the collection of image on the surface of sheath or cable, detect after wasing the surface of the latter sheath of cable earlier if adopt belt cleaning device, detection efficiency is low excessively, operating time is long, consequently, the problem that needs to solve at present urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of prior art, and providing one kind and being convenient for improve and detect precision and effect to cable or sheath, improve detection efficiency, reduce the bridge cable detection device of work.
The technical scheme of the utility model is that: the utility model provides a bridge cable detection device, includes crawl system, image acquisition device, ground reception controlling means and belt cleaning device, and image acquisition device is connected to the one end of crawl system, and belt cleaning device is connected to its other end, and crawl system, image acquisition device and belt cleaning device all receive controlling means's control, belt cleaning device includes high pressure nozzle, brush and the cotton that absorbs water, and the cotton one end of being close to image acquisition device is installed to the cotton that absorbs water, and the one end of keeping away from image acquisition device is installed to the shower nozzle, and the brush is located the shower nozzle and absorbs water between the cotton.
Preferably, the spray head is originally linked with the cleaning liquid through a pipeline, a pressure pump is arranged on the pipeline, the spray heads are arranged on two sides of the brush for improving the cleaning effect, the spray head far away from one end of the absorbent cotton is used for washing the inhaul cable or the sheath for the first time, then the inhaul cable or the sheath is scrubbed through the brush, the spray head near one end of the absorbent cotton is used for washing for the second time, the washing effect is further improved, and finally the water on the surface of the inhaul cable or the sheath is sucked to be dry through the absorbent cotton; more preferably, the burr is electronic brush, can reduce dust, the foreign matter brush-removal on cable or sheath surface, improves the cleaning performance, and the quantity of brush sets up 4 at least.
Further, the crawling system comprises a rack, a driving wheel and a brake, wherein the driving wheel is installed on the rack through a shaft, the brake is used for controlling rotation of the driving wheel, and the driving wheel is driven by a driving motor.
Furthermore, the driving wheel comprises an upper driving wheel and a lower driving wheel, the upper driving wheel is installed on the rack through a shaft, and two ends of the lower driving wheel are installed on the rack through an adjusting device.
Furthermore, adjusting device includes the slider, adjusts pole and expanding spring, and the slider both sides are equipped with the spout, and the slider is installed in the sliding cavity of frame, and the one end that the drive wheel was kept away from to the slider is equipped with the adjustment pole, adjusts on the pole and pass through expanding spring between the spout and be connected.
Further, the brake includes a first brake and a second brake, the first brake being mounted at one end of the upper drive wheel, the second brake being mounted at the other end of the upper drive wheel.
Further, the first brake is a brake cylinder, and the second brake is an electromagnetic brake.
Furthermore, the both ends tip of system of crawling all is equipped with the supporting leg, is equipped with the leading wheel on the supporting leg, supporting leg and frame swing joint still are equipped with flexible pull rod between supporting leg and the frame.
Further, image acquisition device includes high definition digtal camera and controller, and the controller passes through the wire and is connected with high definition digtal camera, and the controller passes through the camera and gathers the picture simultaneously with storage transmission to ground receipt controlling means, and the camera sets up 3 at least, and the camera is to 360 no dead angles shooting of cable.
Furthermore, the ground receiving control device is in wireless connection with the crawling system, the image acquisition device and the cleaning device through a wireless network or Bluetooth.
Further, the ground receiving control device is a mobile terminal including a mobile phone, a notebook computer or a tablet computer.
The utility model has the characteristics of as follows: the utility model discloses effectual picture that has improved bridge cable detection device shoots effect and efficiency, has reduced dust and foreign matter influence and has shot, has improved the efficiency that detects simultaneously, has reduced the manual work, and easy operation, facility have improved the safe in utilization of bridge simultaneously.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
1-a frame, 2-a brake cylinder, 3-a driving motor, 4-an upper driving wheel, 5-absorbent cotton, 6-a spray head, 7-a brush, 8-a pull rope, 9-a cleaning liquid tank, 10-a lower driving wheel, 11-a telescopic spring, 12-an adjusting rod, 13-a sliding cavity, 14-a camera, 15-an electromagnetic brake, 16-a sliding block, 17-a telescopic pull rod, 18-a supporting leg, 19-a guide wheel and 20-a controller.
Detailed Description
As shown in the attached drawings: the utility model provides a bridge cable detection device, including the system of crawling, image acquisition device, ground reception controlling means and belt cleaning device, image acquisition device is connected to the one end of the system of crawling, belt cleaning device is connected to its other end, the system of crawling, image acquisition device and belt cleaning device all receive controlling means's control, belt cleaning device includes high pressure nozzle 6, brush 7 and cotton 5 that absorbs water, cotton 5 that absorbs water is installed in the one end that is close to image acquisition device, the one end of keeping away from image acquisition device is installed at shower nozzle 6, brush 7 is located shower nozzle 6 and absorbs water between the cotton 5.
Preferably, the spray head 6 is originally linked with the cleaning liquid through a pipeline, a pressure pump is arranged on the pipeline, in order to improve the cleaning effect, the spray heads 6 are arranged on two sides of the brush 7, the spray head 6 far away from one end of the absorbent cotton 5 is used for washing the inhaul cable 8 or the sheath for the first time, then the brush 7 is used for scrubbing, the spray head 6 near one end of the absorbent cotton 5 is used for washing for the second time, the washing effect is further improved, and finally, the water on the surface of the inhaul cable 8 or the sheath is sucked dry through the absorbent cotton 5; more preferably, the burr is electronic brush 7, can reduce dust, the foreign matter brush-removal on cable 8 or sheath surface, improves the cleaning performance, and the quantity of brush 7 sets up 4 at least.
In another embodiment, still be equipped with cleaning solution case 9 on the detection device, the detection device of being convenient for carries the washing liquid at any time, improves the climbing and abluent facility, locates the pneumatic cylinder on the cleaning solution case 9, improves the cleaning performance to cable 8.
In an embodiment, the crawling system comprises a frame 1, driving wheels mounted on the frame 1 by means of shafts, and brakes for controlling the rotation of the driving wheels driven by a driving motor 3. Preferably, the driving wheel comprises an upper driving wheel 4 and a lower driving wheel 10, the upper driving wheel 4 is mounted on the frame 1 through a shaft, and both ends of the lower driving wheel 10 are mounted on the frame 1 through an adjusting device. The crawling system can realize automatic climbing and descending through the driving of the driving motor 3, enables the detection device to automatically ascend and descend along the inhaul cable 8, can control the climbing and descending speeds through the braking of the brake according to the using requirements, can stably stop in the middle, and improves the convenience of operation. More preferably, adjusting device includes slider 16, adjusts pole 12 and expanding spring 11, and slider 16 both sides are equipped with the spout, and slider 16 installs in the smooth chamber 13 of frame 1, and the one end that drive wheel 4 was kept away from to slider 16 is equipped with the adjustment pole, adjusts on the pole 12 and is connected through expanding spring 11 between the spout, is convenient for reduce the damage to cable 8 or cable 8 sheath, plays the effect of buffering simultaneously, is convenient for detection device's climbing effect.
Preferably, the brake includes a first brake mounted to one end of the upper drive wheel 4 and a second brake mounted to the other end of the upper drive wheel 4. Preferably, the first brake is a brake cylinder 2 and the second brake is an electromagnetic brake 15.
In the embodiment, supporting legs 18 are arranged at the end parts of the two ends of the crawling system, guide wheels 19 are arranged on the supporting legs 18, the supporting legs 18 are movably connected with the rack 1, and telescopic pull rods 17 are further arranged between the supporting legs 18 and the rack 1. Climbing effect and climbing angle convenient to improve detection device can realize along 8 sharp climbers that realize 90, and then have improved the ability of climbing. Meanwhile, the climbing stability can be improved, the phenomenon that the gravity center is unstable and rotates or deviates laterally is avoided, and the detection safety is improved conveniently.
In an embodiment, the image acquisition device comprises a high-definition camera 14 and a controller 20, the controller 20 is connected with the high-definition camera 14 through a wire, the controller 20 acquires pictures through the camera 14 and simultaneously transmits the pictures to the ground receiving and controlling device, at least 3 cameras 14 are arranged, and the cameras 14 shoot the guy cable 8360-degree dead angle-free shooting. The camera 14 that sets up in this embodiment is 4, and more optimally, the angle of camera 14 can be adjusted, is convenient for snatch the most suitable angle and shoots, and the promotion of the effect of being convenient for shoot is convenient for improve the detection effect to cable 8 simultaneously.
In the embodiment, the ground receiving control device is wirelessly connected with the crawling system, the image acquisition device and the cleaning device through a wireless network or Bluetooth. Preferably, the ground receiving control device is a mobile terminal comprising a mobile phone, a notebook or a tablet computer; the control effect of the detection device and the collection efficiency of the pictures are improved, and the operation convenience is improved.
This scheme is in the use, establish detection device cover on cable 8 or sheath earlier, open detection device, realize wireless connection with the mobile terminal on ground, and carry out the use operation of small distance, operation after confirming there is not unusual, according to the needs of use in the use, camera 14 can be located belt cleaning device's front end and carry out the operation, also can be located belt cleaning device's rear end and carry out the operation, camera 14 of rear end can detect cable 8 in real time after belt cleaning device has washd, for improving abluent effect, can begin to detect from cable 8's upper end in the testing process, the washing liquid can fall along cable 8 is automatic, be convenient for practice thrift the use amount and the carrying amount of washing liquid, and then improve the collection efficiency of picture and the facility of operation.
This scheme is effectual has improved 8 detection device's of bridge cable picture effect and efficiency of shooing, has reduced dust and foreign matter influence and has shot, has improved the efficiency that detects simultaneously, has reduced the manual work, and easy operation, facility have improved the safe in utilization of bridge simultaneously.
The above description is the preferred embodiment of the present invention and the technical principle applied by the preferred embodiment, and for those skilled in the art, without departing from the spirit and scope of the present invention, any obvious changes based on the equivalent transformation, simple replacement, etc. of the technical solution of the present invention all belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a bridge cable detection device, includes crawl system, image acquisition device, ground reception controlling means and belt cleaning device, and image acquisition device is connected to the one end of crawl system, and belt cleaning device is connected to its other end, and crawl system, image acquisition device and belt cleaning device all receive controlling means's control, its characterized in that: the cleaning device comprises a high-pressure spray head, a brush and water absorption cotton, the water absorption cotton is arranged at one end close to the image acquisition device, the spray head is arranged at one end far away from the image acquisition device, and the brush is arranged between the spray head and the water absorption cotton.
2. The bridge cable detection device of claim 1, wherein: the crawling system comprises a rack, a driving wheel and a brake, the driving wheel is mounted on the rack through a shaft, the brake is used for controlling rotation of the driving wheel, and the driving wheel is driven through a driving motor.
3. The bridge cable detection device of claim 2, wherein: the driving wheel comprises an upper driving wheel and a lower driving wheel, the upper driving wheel is installed on the rack through a shaft, and two ends of the lower driving wheel are installed on the rack through an adjusting device.
4. The bridge cable detection device of claim 3, wherein: the adjusting device comprises a sliding block, an adjusting rod and a telescopic spring, sliding grooves are formed in two sides of the sliding block, the sliding block is installed in a sliding cavity of the rack, a regulating rod is arranged at one end, away from the upper driving wheel, of the sliding block, and the adjusting rod is connected with the sliding grooves through the telescopic spring.
5. The bridge cable detection device of claim 4, wherein: the brake includes first brake and second brake, and first brake is installed in the one end of last drive wheel, and the second brake is installed at the other end of last drive wheel.
6. The bridge cable detection device of claim 5, wherein: the first brake is a brake cylinder, and the second brake is an electromagnetic brake.
7. The bridge cable detection device of claim 1, wherein: the both ends tip of system of crawling all is equipped with the supporting leg, is equipped with the leading wheel on the supporting leg, supporting leg and frame swing joint still are equipped with flexible pull rod between supporting leg and the frame.
8. The bridge cable detection device of claim 1, wherein: image acquisition device includes high definition digtal camera and controller, and the controller passes through the wire and is connected with high definition digtal camera, and the controller passes through the camera and gathers the picture simultaneously with storage transmission to ground receipt controlling means, and the camera sets up 3 at least, and the camera is to 360 no dead angles shooting of cable.
9. A bridge cable detecting device according to any one of claims 1 to 8, wherein: the ground receiving control device is in wireless connection with the crawling system, the image acquisition device and the cleaning device through a wireless network or Bluetooth.
10. The bridge cable detection device of claim 9, wherein: the ground receiving control device is a mobile terminal comprising a mobile phone, a notebook computer or a tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120267422.0U CN214251761U (en) | 2021-01-29 | 2021-01-29 | Bridge inhaul cable detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120267422.0U CN214251761U (en) | 2021-01-29 | 2021-01-29 | Bridge inhaul cable detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214251761U true CN214251761U (en) | 2021-09-21 |
Family
ID=77795346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120267422.0U Expired - Fee Related CN214251761U (en) | 2021-01-29 | 2021-01-29 | Bridge inhaul cable detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214251761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758945A (en) * | 2021-11-09 | 2021-12-07 | 山东鱼台东源矿用设备有限责任公司 | Auxiliary diagnosis device for abrasion degree of steel wire rope |
| CN116519690A (en) * | 2023-05-06 | 2023-08-01 | 中交一公局集团有限公司 | Cable-stayed bridge steel cable detection device and detection method thereof |
-
2021
- 2021-01-29 CN CN202120267422.0U patent/CN214251761U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758945A (en) * | 2021-11-09 | 2021-12-07 | 山东鱼台东源矿用设备有限责任公司 | Auxiliary diagnosis device for abrasion degree of steel wire rope |
| CN113758945B (en) * | 2021-11-09 | 2022-02-08 | 山东鱼台东源矿用设备有限责任公司 | Auxiliary diagnosis device for abrasion degree of steel wire rope |
| CN116519690A (en) * | 2023-05-06 | 2023-08-01 | 中交一公局集团有限公司 | Cable-stayed bridge steel cable detection device and detection method thereof |
| CN116519690B (en) * | 2023-05-06 | 2024-03-19 | 中交一公局集团有限公司 | Cable-stayed bridge steel cable detection device and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214251761U (en) | Bridge inhaul cable detection device | |
| CN210021546U (en) | Automatic micron-sized spraying dust-settling equipment | |
| CN111528744A (en) | Method and device for cleaning glass curtain wall by using unmanned aerial vehicle | |
| CN107188035A (en) | A kind of equipment of automatic transhipment pipe die | |
| CN208306789U (en) | A kind of power steel pipe tower climbing robot | |
| CN207055847U (en) | A kind of climbing device when being used for electric pole operation | |
| CN102313119A (en) | Capstan-type manual lifting rod | |
| CN215066221U (en) | Inside detection device of fan tower section of thick bamboo | |
| CN207147989U (en) | Suspension cable visual defects detecting system | |
| CN113697658B (en) | Integral hoisting construction process for large-span steel frame structure of assembled factory building | |
| CN216307117U (en) | Image acquisition device | |
| CN204921798U (en) | Locking means | |
| CN105083407A (en) | X-Y bidirectional unmanned remote control climbing robot | |
| CN111077349B (en) | High-altitude test clamp for distribution network transformer and distribution network transmission line | |
| CN209006355U (en) | A kind of indirect cool tower automatic flushing device | |
| CN208401377U (en) | A kind of inspection platform for power station high voltage switchyard | |
| CN210108852U (en) | Power grid cost engineering assessment and detection device | |
| CN103322389B (en) | Pan-tilt liftable support bringing convenience to maintenance of camera | |
| CN114405745A (en) | Cell-phone center rubber coating device with automatic positioning structure for intelligent manufacturing | |
| CN209700812U (en) | A kind of high voltage iron tower electromagnetically climbing robot | |
| CN104510410A (en) | High-altitude glass cleaner | |
| CN209866850U (en) | Tower drum cleaning device | |
| CN202109179U (en) | Capstan type manual lifting rod | |
| CN112345536A (en) | Pumped storage power station inclined shaft tunnel appearance inspection measuring device and arrangement method | |
| CN217212438U (en) | Wall-attached working platform for detecting diseases of outer vertical surfaces of buildings |
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: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |