CN217807893U - Electrical engineering pay-off - Google Patents
Electrical engineering pay-off Download PDFInfo
- Publication number
- CN217807893U CN217807893U CN202221465458.0U CN202221465458U CN217807893U CN 217807893 U CN217807893 U CN 217807893U CN 202221465458 U CN202221465458 U CN 202221465458U CN 217807893 U CN217807893 U CN 217807893U
- Authority
- CN
- China
- Prior art keywords
- pay
- spacing seat
- electrical engineering
- limiting seat
- cable
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Processing Of Terminals (AREA)
Abstract
The utility model belongs to the technical field of electrical engineering equipment, especially, be electrical engineering pay-off, including unable adjustment base, supporting baseplate, the inner circle of pay off rack is provided with the dwang, supporting baseplate's upper end is provided with the telescopic link, the outer lane of telescopic link is provided with compression spring, the upper end of telescopic link is provided with down the spacing seat, the upper end of spacing seat is provided with last spacing seat down, the inner circle of last spacing seat is provided with the protection inner circle that is used for preventing wearing and tearing, the left and right both ends symmetry of last spacing seat is provided with the connection side ear that plays the effect of connection, the stand card cap is close to the one end of connecting the side ear and is provided with the anti-skidding packing ring, becomes the mirror image setting through each other of spacing seat and lower spacing seat for carry on spacingly its position with the cable at the unwrapping wire in-process, through the setting of protection inner circle, be used for with the direct contact of cable, and then avoid the cable to cause wearing and tearing because of contact with last spacing seat, lower spacing seat at the unwrapping wire in-process.
Description
Technical Field
The utility model belongs to the technical field of electrical engineering equipment, concretely relates to electrical engineering pay-off.
Background
The wire and cable products adopted in electrical engineering mainly comprise an overhead bare wire, a bus bar, a power cable, a branch cable, an electromagnetic wire, an electrical equipment wire and cable for electrical equipment and the like, wherein the overhead bare wire, the bus bar, the power cable, the branch cable, the electromagnetic wire, the electrical equipment wire and cable for electrical equipment and the like are all composed of single-strand or multi-strand wires and insulating layers and are used for connecting circuits, electrical appliances and the like, the cables are often required to be laid in the power construction and maintenance process, and the cable laying refers to the process of laying and installing the cables along an investigated circuit to form a cable circuit.
The electric engineering can be divided into several laying modes such as overhead, underground (pipelines and direct burials), water bottom, walls, tunnels and the like according to using occasions, and the reasonable selection of the laying mode of the cable is very important for ensuring the transmission quality, the reliability, the construction maintenance and the like of the line.
In the construction process, a plurality of groups of cables are required to be placed, a common pay-off device can only place a cable once, so that the pay-off efficiency is low, and the outer protection layer of a cable line is easily damaged in the pay-off process of the common pay-off device, even the cable is abraded, and inconvenience is brought to use.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electrical engineering pay-off, have through five settings of receiving the line carousel, be used for separating the pay off rack for four the same unwrapping wire regions, and then realize the unwrapping wire work in the time of the multiunit cable, through the mutual mirror image setting that becomes of upper limit seat and lower limit seat, be used for carrying on the cable spacing to its position at the unwrapping wire in-process, through the setting of protection inner circle, be used for with the direct contact of cable, and then avoid the cable because of with upper limit seat, the characteristics that cause wearing and tearing at the contact of lower limit seat at the unwrapping wire in-process.
The utility model provides a following technical scheme: the utility model provides an electrical engineering pay-off, includes unable adjustment base, supporting baseplate, unable adjustment base's upper end is provided with the installation curb plate that plays the installation supporting role, the left end of installation curb plate is provided with the drive shell, the left and right both sides of unable adjustment base top surface all are provided with the unwrapping wire support, two equidistant being provided with between the unwrapping wire support is used for receiving, discharges the receipts line carousel of cable, the inner circle of receiving the line carousel is provided with the pay off rack of receiving, discharging the cable, the inner circle of pay off rack is provided with the dwang, the upper end of supporting baseplate is provided with the telescopic link, the outer lane of telescopic link is provided with compression spring, the upper end of telescopic link is provided with down the spacing seat, the upper end of spacing seat is provided with last spacing seat down, the inner circle of last spacing seat is provided with the protection inner circle that is used for preventing wearing and tearing, the left and right both ends symmetry of last spacing seat is provided with the connection side ear that plays the connecting role, the inner circle of connection side ear is provided with the connection stand, the upper and lower both ends symmetry of connection stand is provided with stand card cap, the stand card cap is close to the one end of connection side ear is provided with anti-skidding packing ring.
The size of the mounting side plate is the same as that of the pay-off bracket, a motor is arranged on the inner side of the driving shell, and an electric output end on the inner side of the driving shell penetrates through the adjacent pay-off bracket and extends to be fixedly connected with the rotating rod; the motor protection device is used for fixing and supporting the driving shell through the arrangement of the mounting side plate, and is used for protecting the motor through the arrangement of the driving shell.
The wire take-up turntable is arranged in a cylindrical structure, the number of the wire take-up turntables is five, and the five wire take-up turntables are all fixedly arranged at the position of the outer ring of the pay-off rack; through the setting of five receipts line carousels for separate the pay off rack for four the same unwrapping wire regions, and then realize the unwrapping wire work simultaneously to the multiunit cable.
The support base plate is of a rectangular structure, the length and the height of the support base plate are the same as those of the fixed base, the front end of the fixed base is provided with two hydraulic cylinders, the output ends of the hydraulic cylinders are fixedly connected with the rear end of the support base plate, and the two hydraulic cylinders are electrically connected with the controller; when the using position of the supporting base plate needs to be adjusted, the operation of the hydraulic cylinder is started through the controller, so that the using position of the supporting base plate is adjusted, and the using position of the supporting base plate is adjusted to synchronously adjust the using positions of the upper limiting seat and the lower limiting seat, so that the limitation of the cable can be adjusted along with the actual condition of cable paying-off.
The upper end of the supporting bottom plate is fixedly provided with four buffer bases, the inner side of each buffer base is provided with a base inner groove, the overlooking cross section of each buffer base is arranged in a shape like a Chinese character 'hui', and the upper end and the lower end of each buffer base are both provided with openings; through the setting of buffering base and base inside groove for the spacing seat carries out gliding space down, also realizes the protection to telescopic link, compression spring simultaneously.
The two telescopic rods are in one group, the lower ends of the two telescopic rods in the same group are fixedly connected with the upper end of the supporting bottom plate, the upper ends of the two telescopic rods in the same group are fixedly connected with the lower end of the lower limiting seat, the compression spring is fixedly arranged between the lower limiting seat and the supporting bottom plate, and the compression spring and the telescopic rods are not in contact with each other; through the setting of compression spring and telescopic link, for the spacing seat provides supporting role down, when spacing seat received external effort downstream, the spacing seat exerted pressure to compression spring and telescopic link simultaneously down, then the compression spring atress contracts the deformation, and then realizes the buffering to the effort.
The upper limiting seat and the lower limiting seat are arranged in a mirror image manner, and the protective inner ring is a rubber ring with an arc-shaped structure; through last spacing seat and the setting of becoming the mirror image each other of spacing seat down for carry on spacingly with the cable to its position at unwrapping wire in-process, through the setting of protection inner circle, be used for with the direct contact of cable, and then avoid the cable because of causing wearing and tearing with the contact of last spacing seat, spacing seat down at the unwrapping wire in-process.
The anti-skid gasket is a cylindrical rubber gasket, the connecting upright posts are arranged in a cylindrical structure, every two connecting upright posts are in a group, through holes for the penetration of the connecting upright posts are formed in the inner sides of the connecting side lugs, the diameter of the upright post clamping cap is larger than that of the through holes for the penetration of the connecting upright posts in the inner sides of the connecting side lugs; through the setting of connecting the stand for be connected spacing seat and lower spacing seat on with, simultaneously through the setting of connecting the stand, be used for limiting spacing seat and spacing seat distance each other down on, and then avoid the cable to deviate from at the unwrapping wire in-process.
The beneficial effects of the utility model are that: the cable pay-off rack is used for separating a pay-off rack into four same pay-off areas through the arrangement of five take-up turntables, and further realizing simultaneous pay-off work of a plurality of groups of cables, when the use position of a supporting bottom plate needs to be adjusted, the operation of a hydraulic cylinder is started through a controller, and further the use position of the supporting bottom plate is adjusted.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a side view schematic structure diagram of the present invention;
fig. 4 is a schematic perspective view of the take-up turntable of the present invention;
FIG. 5 is a schematic cross-sectional view of the buffering base according to the present invention;
in the figure: 1. a fixed base; 2. installing a side plate; 3. a drive housing; 4. paying off a support; 5. rotating the rod; 6. a take-up turntable; 7. a pay-off rack; 8. a hydraulic cylinder; 9. a support base plate; 10. a buffer base; 11. an inner base groove; 12. a telescopic rod; 13. a compression spring; 14. a lower limit seat; 15. an upper limiting seat; 16. protecting the inner ring; 17. connecting the side lug; 18. connecting the upright posts; 19. the upright post is clamped with a cap; 20. an anti-slip washer.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an electrical engineering pay-off, includes unable adjustment base 1, supporting baseplate 9, unable adjustment base 1's upper end is provided with the installation curb plate 2 that plays the installation supporting role, the left end of installation curb plate 2 is provided with drive shell 3, the left and right both sides of top surface all are provided with unwrapping wire support 4, two equidistant being provided with between the unwrapping wire support 4 is used for receiving, the receipts line carousel 6 of cable that discharges, the inner circle of receiving line carousel 6 is provided with the pay-off frame 7 of receiving, discharging cable, the inner circle of pay-off frame 7 is provided with dwang 5, the upper end of supporting baseplate 9 is provided with telescopic link 12, the outer lane of telescopic link 12 is provided with compression spring 13, the upper end of telescopic link 12 is provided with lower spacing seat 14, the upper end of lower spacing seat 14 is provided with upper spacing seat 15, the inner circle of upper spacing seat 15 is provided with the protection inner circle 16 that is used for preventing wearing and tearing, the left and right both ends symmetry of upper spacing seat 15 is provided with the connection side ear 17 that plays the connecting role, the inner circle of connecting side ear 17 is provided with connection stand 18, the upper and lower both ends symmetry of connecting stand is provided with stand card cap 19, the connection side card cap 19 is provided with the connection anti-slip washer 20.
In this embodiment: the size of the mounting side plate 2 is the same as that of the pay-off bracket 4, a motor is arranged on the inner side of the driving shell 3, and an electric output end on the inner side of the driving shell 3 penetrates through the adjacent pay-off bracket 4 and extends to be fixedly connected with the rotating rod 5; the installation side plate 2 is used for fixing and supporting the driving shell 3, and the installation side plate 3 is used for protecting the motor.
The take-up rotary tables 6 are arranged in a cylindrical structure, the take-up rotary tables 6 are provided with five, and the five take-up rotary tables 6 are all fixedly arranged at the outer ring position of the pay-off rack 7; through the setting of five receipts line carousel 6 for separate pay off rack 7 for four the same unwrapping wire regions, and then realize the unwrapping wire work simultaneously to the multiunit cable.
The supporting base plate 9 is of a rectangular structure, the length and the height of the supporting base plate 9 are the same as those of the fixing base 1, hydraulic cylinders 8 are arranged at the front end of the fixing base 1, the output ends of the hydraulic cylinders 8 are fixedly connected with the rear end of the supporting base plate 9, the number of the hydraulic cylinders 8 is two, and the two hydraulic cylinders 8 are electrically connected with the controller; when the use position of the supporting bottom plate 9 needs to be adjusted, the operation of the hydraulic cylinder 8 is started through the controller, so that the use position of the supporting bottom plate 9 is adjusted, and the use position of the upper limiting seat 15 and the use position of the lower limiting seat 14 are synchronously adjusted through adjusting the use position of the supporting bottom plate 9, so that the limitation of the cable can be adjusted along with the actual cable paying-off condition.
The upper end of the supporting bottom plate 9 is fixedly provided with four buffer bases 10, the inner side of each buffer base 10 is provided with a base inner groove 11, the overlooked cross section of each buffer base 10 is arranged in a shape like a Chinese character 'hui', and the upper end and the lower end of each buffer base 10 are both provided with openings; the arrangement of the buffer base 10 and the base inner groove 11 is used for a space for the lower limit seat 14 to slide, and simultaneously, the telescopic rod 12 and the compression spring 13 are protected.
Every two of the telescopic rods 12 are in one group, the lower ends of two telescopic rods 12 in the same group are fixedly connected with the upper end of the supporting bottom plate 9, the upper ends of two telescopic rods 12 in the same group are fixedly connected with the lower end of the lower limiting seat 14, the compression spring 13 is fixedly arranged between the lower limiting seat 14 and the supporting bottom plate 9, and the compression spring 13 is not in contact with the telescopic rods 12; through the setting of compression spring 13 and telescopic link 12, for spacing seat 14 provides the supporting role down, when spacing seat 14 received external effort and moved down, spacing seat 14 was exerted pressure to compression spring 13 and telescopic link 12 simultaneously down, then compression spring 13 atress contracts the deformation, and then realizes the buffering to the effort.
The upper limiting seat 15 and the lower limiting seat 14 are arranged in a mirror image manner, and the protective inner ring 16 is a rubber ring with an arc-shaped structure; set up through going up limiting seat 15 and limiting seat 14's mutual mirror image down for carry on spacingly its position at unwrapping wire in-process with the cable, through the setting of protection inner circle 16, be used for with the direct contact of cable, and then avoid the cable because of with limiting seat 15, limiting seat 14's contact and cause wearing and tearing down on the unwrapping wire in-process.
The connecting upright posts 18 are arranged in a cylindrical structure, every two connecting upright posts 18 form a group, through holes for the connecting upright posts 18 to penetrate through are formed in the inner sides of the connecting side lugs 17, the diameter of the upright post clamping cap 19 is larger than that of the through holes for the connecting upright posts 18 to penetrate through, and the anti-skid washer 20 is a cylindrical rubber pad; through the setting of connecting stand 18 for be connected spacing seat 15 and spacing seat 14 down on will going up, through the setting of connecting stand 18 simultaneously, be used for limiting spacing seat 15 and spacing seat 14 distance each other down, and then avoid the departure of cable in the unwrapping wire in-process.
The utility model discloses a theory of operation and use flow: when the device is used, the device is used for dividing the pay-off rack 7 into four same pay-off areas through the arrangement of five take-up turntables 6, further realizing the simultaneous pay-off work of a plurality of groups of cables, fixing and supporting the driving shell 3 through the arrangement of the mounting side plates 2, protecting the motor through the arrangement of the driving shell 3, when the pay-off is carried out, the motor drives the rotating rod 5 to rotate, the rotating rod 5 synchronously drives the pay-off rack 7 to rotate in the rotating process, further realizing the pay-off work of cables wound on the outer surface of the pay-off rack 7, through the mutual mirror image arrangement of the upper limiting seat 15 and the lower limiting seat 14, the device is used for limiting the position of the cables in the pay-off process, through the arrangement of the protective inner ring 16, the cable is used for being in direct contact with the cables, and further avoiding the abrasion of the cables due to the contact with the upper limiting seat 15 and the lower limiting seat 14 in the pay-off process, through the arrangement of the connecting upright column 18, the upper limiting seat 15 and the lower limiting seat 14 are connected, and through the arrangement of the connecting upright column 18, the distance between the upper limiting seat 15 and the lower limiting seat 14 is limited, so that the deviation of a cable in the paying-off process is avoided, through the arrangement of the compression spring 13 and the telescopic rod 12, a supporting effect is provided for the lower limiting seat 14, when the lower limiting seat 14 moves downwards under the action of external acting force, the lower limiting seat 14 simultaneously applies pressure to the compression spring 13 and the telescopic rod 12, then the compression spring 13 is stressed to contract and deform, so that the acting force is buffered, through the arrangement of the buffer base 10 and the base inner groove 11, the lower limiting seat 14 is used for carrying out a sliding space, meanwhile, the telescopic rod 12 and the compression spring 13 are also protected, when the use position of the supporting bottom plate 9 needs to be adjusted, the operation of the hydraulic cylinder 8 is started through the controller, so that the use position of the supporting base plate 9 is adjusted, and the use position of the supporting base plate 9 is adjusted to synchronously adjust the use positions of the upper limiting seat 15 and the lower limiting seat 14, so that the limitation of the cable can be adjusted along with the actual condition of cable paying-off.
Claims (8)
1. An electrical engineering pay-off which characterized in that: comprises a fixed base (1) and a supporting base plate (9), wherein the upper end of the fixed base (1) is provided with an installation side plate (2) playing a role in installation and support, the left end of the installation side plate (2) is provided with a driving shell (3), the left and right sides of the upper top surface of the fixed base (1) are respectively provided with a pay-off bracket (4) and two pay-off brackets (6) used for receiving and discharging cables are equidistantly arranged between the pay-off brackets (4), the inner ring of the pay-off bracket (6) is provided with a pay-off rack (7) for receiving and discharging cables, the inner ring of the pay-off rack (7) is provided with a rotating rod (5), the upper end of the supporting base plate (9) is provided with a telescopic rod (12), the outer ring of the telescopic rod (12) is provided with a compression spring (13), the upper end of the telescopic rod (12) is provided with a lower limiting seat (14), the upper end of the lower limiting seat (14) is provided with an upper limiting seat (15), the inner ring of the upper limiting seat (15) is provided with a protection inner ring (16) used for preventing abrasion, the left and the right end of the upper limiting seat (15) is symmetrically provided with a connecting lug (17), and the connecting upright post (17) is provided with a connecting lug (18) and a connecting end and a connecting upright post (18) and a connecting cap, and an anti-slip gasket (20) is arranged at one end of the upright post clamping cap (19) close to the connecting side lug (17).
2. An electrical engineering pay-off device as defined in claim 1, wherein: the size of installation curb plate (2) is the same with the size of unwrapping wire support (4), the inboard of drive shell (3) is provided with the motor, the inboard electronic output of drive shell (3) runs through adjacent unwrapping wire support (4) and extends to with dwang (5) fixed connection.
3. An electrical engineering pay-off device as defined in claim 1, wherein: receive line carousel (6) and set up for cylindrical structure, it is provided with five altogether to receive line carousel (6) five it all fixes the position that sets up in pay off rack (7) outer lane to receive line carousel (6).
4. An electrical engineering pay-off device as defined in claim 1, wherein: the supporting base plate (9) is arranged in a rectangular structure, the length and the height of the supporting base plate (9) are equal to those of the fixing base (1), the hydraulic cylinder (8) is arranged at the front end of the fixing base (1), the output end of the hydraulic cylinder (8) is fixedly connected with the rear end of the supporting base plate (9), and the hydraulic cylinder (8) is provided with two hydraulic cylinders (8) and two hydraulic cylinders (8) are all electrically connected with the controller.
5. An electrical engineering pay-off device as defined in claim 1, wherein: the upper end of the supporting bottom plate (9) is fixedly provided with four buffering bases (10), the number of the buffering bases (10) is four, the inner side of each buffering base (10) is provided with a base inner groove (11), the overlooking cross section of each buffering base (10) is arranged in a shape like a Chinese character 'hui', and the upper end and the lower end of each buffering base (10) are both provided with openings.
6. An electrical engineering pay-off device as defined in claim 1, wherein: every two of telescopic link (12) are a set of, and same group is two the lower extreme of telescopic link (12) all with the upper end fixed connection of supporting baseplate (9), same group is two the upper end of telescopic link (12) all with the lower extreme fixed connection of spacing seat (14) down, compression spring (13) are fixed to be set up in the position between spacing seat (14) down and supporting baseplate (9), compression spring (13) and telescopic link (12) are contactless each other.
7. An electrical engineering pay-off device as defined in claim 1, wherein: the upper limiting seat (15) and the lower limiting seat (14) are arranged in a mirror image mode, and the protective inner ring (16) is a rubber ring with an arc-shaped structure.
8. An electrical engineering pay-off device as defined in claim 1, wherein: connect stand (18) and set up for cylindrical structure, connect per two of stand (18) and be a set of, the inboard of connecting side ear (17) is provided with the through-hole that is used for connecting stand (18) and runs through, the diameter of stand card cap (19) is greater than the inboard of connecting side ear (17) and is used for connecting stand (18) and runs through the diameter of through-hole, anti-skidding packing ring (20) are the columniform rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221465458.0U CN217807893U (en) | 2022-06-13 | 2022-06-13 | Electrical engineering pay-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221465458.0U CN217807893U (en) | 2022-06-13 | 2022-06-13 | Electrical engineering pay-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217807893U true CN217807893U (en) | 2022-11-15 |
Family
ID=83991302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221465458.0U Active CN217807893U (en) | 2022-06-13 | 2022-06-13 | Electrical engineering pay-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217807893U (en) |
-
2022
- 2022-06-13 CN CN202221465458.0U patent/CN217807893U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110556757A (en) | Cable protection device in power construction | |
| CN201388013Y (en) | Multi-purpose overturning sheave pulley | |
| CN217807893U (en) | Electrical engineering pay-off | |
| CN109546373B (en) | Grounding wire clamp installation device for transformer substation and installation method of grounding wire clamp | |
| CN107834425A (en) | Aerial condutor changes construction earth protective device | |
| CN208135628U (en) | High-voltage cable take-up device simple and convenient to operate | |
| CN214335028U (en) | Lightning arrester test support | |
| CN214399337U (en) | Winding device is used in processing of pvc electric wire skin | |
| CN108899847B (en) | Vibrating snow removing device for high-altitude cables | |
| CN111653879B (en) | Boats and ships electrical equipment earthing device | |
| CN217115399U (en) | Integrated cable laying device | |
| CN207663849U (en) | A kind of concentric type wire stranding machine precise wire arrangement device | |
| CN107783018B (en) | Withstand voltage test device for electric lifting insulating rod | |
| CN211508537U (en) | Cable erection equipment is used in communication engineering construction | |
| CN217158845U (en) | Portable high-speed railway electric power construction earthing device | |
| CN219552469U (en) | Auxiliary device of comprehensive cable detection system | |
| CN205123125U (en) | Two split conductor fixed platform | |
| CN220036280U (en) | Tension rod assembly structure | |
| CN104810119A (en) | Insulator | |
| CN221379062U (en) | Tensioning porcelain insulator with grounding device | |
| CN217281950U (en) | Cabinet bottom cable fixing device | |
| CN220041480U (en) | Auxiliary single-head passive pay-off rack of wire bundling machine | |
| CN211507232U (en) | Hidden blowing fixing device of shielding control cable | |
| CN219031299U (en) | Insulated wire pay-off rack | |
| CN212847880U (en) | High-voltage cross-linked cable tubular stranding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |