CN210898306U - Cable tightener for electric power construction site - Google Patents
Cable tightener for electric power construction site Download PDFInfo
- Publication number
- CN210898306U CN210898306U CN201922016430.3U CN201922016430U CN210898306U CN 210898306 U CN210898306 U CN 210898306U CN 201922016430 U CN201922016430 U CN 201922016430U CN 210898306 U CN210898306 U CN 210898306U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cable
- fixing
- electric power
- power construction
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000009826 distribution Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Flexible Shafts (AREA)
Abstract
The utility model discloses a cable tightener belonging to the technical field of electric power construction devices, in particular to a cable tightener for an electric power construction site, which comprises a connecting device and a telescopic device, wherein the front end and the rear end of the connecting device are movably connected with fixing devices, the left sides of the two fixing devices are provided with fixing lead screws, the outer side wall of each fixing lead screw is in threaded connection with two symmetrically distributed adjusting devices, two fixing nuts are in threaded connection with the fixing lead screws, the right end of the telescopic device is fixedly connected with a motor frame, the lower end surface of the motor frame is fixedly connected with a fixing support, the left side and the right side of the fixing support are movably connected with universal wheels, the fixing devices are fixed to the outer side wall of an electric pole through the fixing lead screws and the fixing nuts, so that the cable tightener achieves the effect of convenient fixing, the cable tightener is convenient for a worker to tighten the cable, the operation safety of the worker is improved.
Description
Technical Field
The utility model relates to an electric power construction technical field, in particular to cable turn-buckle for electric power construction site.
Background
When an overhead high-voltage line of an electric power system is laid, constructed or patrolled, the tensioning of the high-voltage line is very important work and directly influences the use of the whole electric power line, if the electric power line is too loose, the sag is too large, the swing is easy to occur, short circuit occurs due to mutual collision, if the electric power line is too tight, the breakage or the pulling of a wire rod is easy to occur, a wire tightener is a special wire guide tool for tightening an indoor porcelain bottle line and an outdoor overhead line and comprises a wire clamping tong head, a positioning groove, a tightening gear, a handle and the like, when the wire tightener is used, the wire clamping tong head is required to construct a wire erecting support or a cross arm, the wire clamping tong head clamps the end part of the wire to be tightened, and the handle is repeatedly rotated to.
But current cable turn-buckle all needs the staff to manually carry out the turn-buckle, when the staff carries out high altitude construction, the cable turn-buckle need use many times above same pole, and the staff is manual to carry out the turn-buckle very dangerous, simultaneously, and inconvenient carrying cable turn-buckle is unfavorable for the staff operation, reduces staff's operating efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cable turn-buckle is used at electric power construction site aims at solving current cable turn-buckle and all needs the manual tight line that carries on of staff, when the staff carries out high altitude construction, the cable turn-buckle need use many times above same pole, and the manual tight line that carries on of staff is very dangerous, simultaneously, and inconvenient carrying cable turn-buckle is unfavorable for the staff operation, reduces the problem of staff's operating efficiency.
The utility model discloses a realize like this, a cable turn-buckle is used at electric power construction site, including connecting device and telescoping device, connecting device's right-hand member and telescoping device's left end fixed connection, the equal swing joint in both ends has fixing device, two around connecting device fixing device's left side is provided with fixed lead screw, fixed lead screw's lateral wall threaded connection has the adjusting device of two symmetric distributions, two adjusting device's right side respectively with two fixing device fixed connection, two fixation nut all with fixed lead screw threaded connection, telescoping device's right-hand member fixedly connected with motor frame, the lower terminal surface fixedly connected with fixing support of motor frame, the equal swing joint in both sides has the universal wheel about fixing support.
For the convenience of the staff knows the taut condition of grasping cable, as the utility model discloses a cable turn-buckle is preferred for electric power construction site, the preceding terminal surface fixedly connected with speaker of motor frame, the below of speaker has set gradually control button and controller from a left side to the right side.
In order to prevent that the cable from appearing winding phenomenon at the in-process of taut operation, improving cable turn-buckle operating mass, as the utility model discloses a cable turn-buckle is preferred for electric power construction site, the upper end of motor frame is provided with two symmetric distribution's rotation cover, two fixedly connected with rotation axis between the rotation cover, the outside fixedly connected with ratchet of rotation axis, the ratchet is located two tops of rotating the cover, supreme fixedly connected with carousel and fender dish in proper order are followed to the up end of rotation axis, the ratchet is located the below of carousel.
In order to get in touch the convenient fixed cable with the wire, be convenient for carry out taut operation to the cable, conduct the utility model discloses a cable turn-buckle is preferred for the electric power construction scene, the left and right sides of rotation axis all is provided with two wire hooks, the equal fixedly connected with pull rod in one side that two wire hooks are relative.
For the switch of in time control rotating electrical machines, guarantee that power line can not cross the pine and tension, improve the practicality of cable turn-buckle, as the utility model discloses a cable turn-buckle is preferred for the electric power construction scene, the equal fixedly connected with pull rod in the left and right sides of rotation axis, the pull rod is located the inside of rotating the cover, the preceding terminal surface fixedly connected with force sensor of pull rod, the other end and the pull rod fixed connection of pull rod.
In order to reach the taut effect to the cable, as the utility model discloses a cable turn-buckle is preferred for electric power construction site, the lower terminal surface swing joint of carousel has the fixed pin, the other end fixedly connected with pawl of fixed pin, the other end and the ratchet meshing of pawl, the outside fixedly connected with torsional spring of pawl, the other end and the carousel fixed connection of torsional spring.
For the convenience of rotation axis drive carousel rotates, is convenient for tighten up the operation to the cable, as the utility model discloses a cable turn-buckle is preferred for the electric power construction scene, the lower terminal surface fixedly connected with rotating electrical machines of rotation axis, rotating electrical machines is located the inside of motor frame, rotating electrical machines's lower terminal surface and fixing support's up end fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the cable tightener for the electric power construction site is characterized in that the right end of a connecting device is fixedly connected with the left end of a telescopic device, so that fixing devices are movably connected at the front end and the rear end of the connecting device conveniently, the fixing devices are fixed to the outer side wall of an electric pole through a fixing lead screw and a fixing nut, the cable tightener achieves the effect of convenient fixing, a worker can tighten a cable by using the cable tightener conveniently, the two hands of the worker are liberated, the high-altitude operation of the worker is facilitated, the operation safety of the worker is improved, a motor frame is fixedly connected at the right end of the telescopic device, after the fixing devices are fixed, the motor frame is conveniently moved by using the telescopic device, the cable tightener can achieve the effect of tightening a plurality of cables above one electric pole, the practicability of the cable tightener is improved, the operation efficiency of the worker is improved, two universal wheels are movably connected at the left side and the right side of a fixing support, the cable tightener achieves the effect of convenient movement;
2. according to the cable tightener for the power construction site, the two rotating sleeves which are symmetrically distributed are arranged at the upper end of the motor frame, so that a cable can be conveniently pulled into the rotating sleeves, the purpose of tightening the cable is conveniently achieved, the rotating disc and the blocking disc are fixedly connected to the upper end face of the rotating shaft from bottom to top in sequence, the over-loose cable can be conveniently tightened, the tightened cable is placed above the rotating disc, the blocking disc is used for limiting the cable, the cable is prevented from being wound in the tightening operation process, and the operation quality of the cable tightener is improved;
3. this kind of cable turn-buckle for electric power construction scene through the preceding terminal surface fixedly connected with force sensor at the tension bar, force sensor can convey tension signal to data processor, and data processor can make different instructions according to this signal to convey the controller with the instruction, in time control rotating electrical machines's switch guarantees that power line can not be too loose and tension, improves cable turn-buckle's practicality.
Drawings
Fig. 1 is a main structural view of a cable tightener for an electric power construction site of the present invention;
fig. 2 is a top view of the cable tightener for an electric power construction site of the present invention;
FIG. 3 is a cross-sectional structural view of the motor frame of the present invention;
FIG. 4 is a bottom view of the ratchet wheel of the present invention;
in the figure, 1, connecting device; 101. a fixing device; 102. an adjustment device; 103. fixing the screw rod; 104. fixing a nut; 2. a telescoping device; 3. a fixed support; 301. a universal wheel; 302. a motor frame; 303. a control button; 304. a controller; 305. a speaker; 4. a rotating electric machine; 401. a rotating shaft; 402. a turntable; 403. a pawl; 404. a fixing pin; 405. a ratchet wheel; 406. a catch tray; 40. a torsion spring; 5. rotating the sleeve; 501. a tension sensor; 502. a tension bar; 503. a pull rod; 504. and (6) a wire hook.
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. 1-4, the present invention provides a technical solution: the utility model provides an electric power is cable turn-buckle for job site, including connecting device 1 and telescoping device 2, connecting device 1's right-hand member and telescoping device 2's left end fixed connection, the equal swing joint in both ends has fixing device 101 around connecting device 1, two fixing device 101's left side is provided with lead screw 103, lead screw 103's lateral wall threaded connection has two symmetric distribution's adjusting device 102, two adjusting device 102's right side respectively with two fixing device 101 fixed connection, two adjusting device 102 carry on the back two equal fixedly connected with fixation nut 104 in one side mutually, two fixation nut 104 all with fixation screw 103 threaded connection, telescoping device 2's right-hand member fixedly connected with motor frame 302, the lower terminal surface fixedly connected with fixing support 3 of motor frame 302, the equal swing joint in the left and right sides of fixing support 3 has universal wheel 301.
In this embodiment: the right end of the connecting device 1 is fixedly connected with the left end of the expansion device 2, so that the fixing device 101 is conveniently and movably connected at the front end and the rear end of the connecting device 1, the fixing device 101 is fixed to the outer side wall of the electric pole through the fixing lead screw 103 and the fixing nut 104, the cable tightener achieves the effect of convenient fixing, a worker can conveniently tighten the cable by using the cable tightener, the two hands of the worker are liberated, the high-altitude operation of the worker is facilitated, the operation safety of the worker is improved, the motor frame 302 is fixedly connected at the right end of the expansion device 2, after the fixing device 101 is fixed, the motor frame 302 is conveniently moved by using the expansion device 2, the cable tightener can realize the effect of tightening a plurality of cables above one electric pole, the practicability of the cable tightener is improved, the operation efficiency of the worker is improved, two universal wheels 301 are movably connected at the left side and the right side of the fixed support 3, the cable tightener achieves the effect of convenient movement.
As a technical optimization scheme of the utility model, the preceding terminal surface fixedly connected with speaker 305 of motor frame 302, the below of speaker 305 has set gradually control button 303 and controller 304 from a left side to the right side.
In this embodiment: the controller 304 is of the type: the UNO-210 is characterized in that the loudspeaker 305 is fixedly connected to the front end face of the motor frame 302, so that when a cable is tensioned, the tension sensor 501 transmits a tension signal to the data processor, the data processor processes the data and sends the data to the loudspeaker 305, and the loudspeaker 305 reports the tension of the cable all the time, so that a worker can know and know the tensioning condition of the cable conveniently.
As a technical optimization scheme, the upper end of motor frame 302 is provided with two symmetric distribution's rotation cover 5, two fixedly connected with rotation axis 401 between the rotation cover 5, rotation axis 401's outside fixedly connected with ratchet 405, ratchet 405 are located two tops that rotate cover 5, and supreme fixedly connected with carousel 402 and fender dish 406 in proper order are followed to rotation axis 401's up end, and ratchet 405 is located the below of carousel 402.
In this embodiment: through the rotation cover 5 that is provided with two symmetric distributions in the upper end at motor frame 302, thereby conveniently pull the cable to rotate in the cover 5, be convenient for reach the taut operation purpose of cable, supreme fixed connection carousel 402 and fender dish 406 in proper order are followed to the up end at rotation axis 401, it is taut to be convenient for to cross the cable of pine, and place carousel 402 top with taut cable, restrict the cable with fender dish 406, prevent that the winding phenomenon from appearing in the in-process of taut operation in the cable, improve cable turn-buckle operation quality.
As a technical optimization scheme of the utility model, the left and right sides of rotation axis 401 all is provided with two wire couple 504, the equal fixedly connected with pull rod 503 in one side that two wire couple 504 are relative.
In this embodiment: two wire hooks 504 are arranged on the left side and the right side of the rotating shaft 401, so that the wire hooks 504 are used for conveniently fixing a cable, and the cable is conveniently tensioned.
As a technical optimization scheme of the utility model, the equal fixedly connected with pull rod 502 in the left and right sides of rotation axis 401, pull rod 502 are located the inside of rotating cover 5, pull rod 502's preceding terminal surface fixedly connected with force sensor 501, pull rod 502's the other end and pull rod 503 fixed connection.
In this embodiment: through the preceding terminal surface fixedly connected with tension sensor 501 at tension bar 502, tension sensor 501 can convey tension signal to data processor, and data processor can make different instructions according to this signal to convey the instruction to controller 304, in time control rotating electrical machines 4's switch guarantees that power line can not be too loose and tension, improves cable tightener's practicality.
As a technical optimization scheme of the utility model, the lower terminal surface swing joint of carousel 402 has fixed pin 404, the other end fixedly connected with pawl 403 of fixed pin 404, the other end and the ratchet 405 meshing of pawl 403, the outside fixedly connected with torsional spring 407 of pawl 403, the other end and carousel 402 fixed connection of torsional spring 407.
In this embodiment: through meshing the other end of the pawl 403 with the ratchet wheel 405, when the rotating motor 4 is started, the turntable 402 rotates, the turntable 402 drives the ratchet wheel 405 through the pawl 403 to realize unidirectional rotation, the rotating shaft 401 and the ratchet wheel 405 drive the rotating sleeve 5 to rotate, and the tension rod 502 in the rotating sleeve 5 can pull the pull rod 503 into the rotating sleeve 5, so that the cable is tensioned.
As a technical optimization scheme of the utility model, the lower terminal surface fixedly connected with rotating electrical machines 4 of rotation axis 401, rotating electrical machines 4 are located the inside of motor frame 302, rotating electrical machines 4's lower terminal surface and fixing support 3's up end fixed connection.
In this embodiment: the model number of the rotary shaft 401 is: F80M1-2, through at the lower terminal surface fixed connection rotating electrical machines 4 of rotation axis 401 to when starting rotating electrical machines 4, make things convenient for rotation axis 401 to drive carousel 402 and rotate, be convenient for tighten up the operation to the cable, be connected the lower terminal surface of rotating electrical machines 4 and fixing support 3's up end, thereby conveniently protect rotating electrical machines 4.
The working principle is as follows: firstly, the right end of the connecting device 1 is fixedly connected with the left end of the expansion device 2, so as to conveniently and movably connect the fixing device 101 at the front end and the rear end of the connecting device 1, the fixing device 101 is fixed on the outer side wall of the electric pole through a fixing lead screw 103 and a fixing nut 104, so that the cable tightener achieves the effect of convenient fixing, a worker can conveniently tighten the cable by using the cable tightener, the two hands of the worker are liberated, the high-altitude operation of the worker is facilitated, the operation safety of the worker is improved, a motor frame 302 is fixedly connected at the right end of the expansion device 2, after the fixing device 101 is fixed, the motor frame 302 is conveniently moved by using the expansion device 2, so that the cable tightener can realize the effect of tightening a plurality of cables above one electric pole, the practicability of the cable tightener is improved, the operation efficiency of the worker is improved, two universal wheels 301 are movably connected at the left side and the right side of the fixed support, make the cable turn-buckle reach the effect of convenient removal, during the operation, with wire couple 504 fixed cable, start rotating electrical machines 4, carousel 402 rotates, and carousel 402 drives ratchet 405 through pawl 403 and realizes unidirectional rotation, and rotation axis 401 and ratchet 405 drive and rotate cover 5 and rotate, and the pull rod 502 of rotating cover 5 inside can draw in pull rod 503 inside rotating cover 5, reaches the taut effect to the cable.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. The utility model provides a cable turn-buckle for electric power construction field, includes connecting device (1) and telescoping device (2), the right-hand member of connecting device (1) and the left end fixed connection of telescoping device (2), its characterized in that: the utility model discloses a motor support, including connecting device (1), the equal swing joint in both ends has fixing device (101), two around connecting device (1) the left side of fixing device (101) is provided with fixation screw (103), the lateral wall threaded connection of fixation screw (103) has adjusting device (102) of two symmetric distributions, two adjusting device (102)'s right side respectively with two fixing device (101) fixed connection, two equal fixedly connected with two fixation nut (104) in one side that adjusting device (102) carried on the back mutually, two fixation nut (104) all with fixation screw (103) threaded connection, the right-hand member fixedly connected with motor frame (302) of telescoping device (2), the lower terminal surface fixedly connected with fixing support (3) of motor frame (302), the equal swing joint in both sides has universal wheel (301) about fixing support (3).
2. The cable grip for an electric power construction site according to claim 1, wherein: the front end face of the motor frame (302) is fixedly connected with a loudspeaker (305), and a control button (303) and a controller (304) are sequentially arranged from left to right below the loudspeaker (305).
3. The cable grip for an electric power construction site according to claim 1, wherein: the upper end of motor frame (302) is provided with two symmetric distribution's rotation cover (5), two fixedly connected with rotation axis (401) between rotation cover (5), outside fixedly connected with ratchet (405) of rotation axis (401), ratchet (405) are located two tops of rotating cover (5), supreme fixedly connected with carousel (402) and fender dish (406) in proper order are followed to the up end of rotation axis (401), ratchet (405) are located the below of carousel (402).
4. The cable grip for an electric power construction site as claimed in claim 3, wherein: the left side and the right side of the rotating shaft (401) are both provided with two wire hooks (504), and one sides of the two wire hooks (504) opposite to each other are both fixedly connected with pull rods (503).
5. The cable grip for an electric power construction site as claimed in claim 3, wherein: the left side and the right side of the rotating shaft (401) are fixedly connected with tension rods (502), the tension rods (502) are located inside the rotating sleeve (5), the front end face of each tension rod (502) is fixedly connected with a tension sensor (501), and the other end of each tension rod (502) is fixedly connected with a pull rod (503).
6. The cable grip for an electric power construction site as set forth in claim 5, wherein: the lower terminal surface swing joint of carousel (402) has fixed pin (404), the other end fixedly connected with pawl (403) of fixed pin (404), the other end and the ratchet (405) meshing of pawl (403), the outside fixedly connected with torsional spring (407) of pawl (403), the other end and carousel (402) fixed connection of torsional spring (407).
7. The cable grip for an electric power construction site as claimed in claim 3, wherein: the lower end face of rotation axis (401) fixedly connected with rotating electrical machines (4), rotating electrical machines (4) are located the inside of motor frame (302), the lower terminal surface of rotating electrical machines (4) and the up end fixed connection of fixing support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016430.3U CN210898306U (en) | 2019-11-21 | 2019-11-21 | Cable tightener for electric power construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016430.3U CN210898306U (en) | 2019-11-21 | 2019-11-21 | Cable tightener for electric power construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898306U true CN210898306U (en) | 2020-06-30 |
Family
ID=71318995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922016430.3U Active CN210898306U (en) | 2019-11-21 | 2019-11-21 | Cable tightener for electric power construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018663A (en) * | 2020-08-19 | 2020-12-01 | 国网安徽省电力有限公司经济技术研究院 | Electric power transmission line lays cable draw gear |
| CN114498444A (en) * | 2022-03-31 | 2022-05-13 | 鲁特电工股份有限公司 | High altitude cable installation mechanism with pretension function |
-
2019
- 2019-11-21 CN CN201922016430.3U patent/CN210898306U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018663A (en) * | 2020-08-19 | 2020-12-01 | 国网安徽省电力有限公司经济技术研究院 | Electric power transmission line lays cable draw gear |
| CN114498444A (en) * | 2022-03-31 | 2022-05-13 | 鲁特电工股份有限公司 | High altitude cable installation mechanism with pretension function |
| CN114498444B (en) * | 2022-03-31 | 2022-07-01 | 鲁特电工股份有限公司 | High altitude cable installation mechanism with pretension function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210898306U (en) | Cable tightener for electric power construction site | |
| CN205049690U (en) | Cable terminal partial discharge test auxiliary device | |
| CN209963719U (en) | Sliding type snow removing device for power grid line | |
| CN112531368B (en) | Electric control grounding wire clamp | |
| CN207134729U (en) | A kind of parallel groove clamp installation tool | |
| CN203422397U (en) | Lead wire joint fixing grounding tool for high voltage test | |
| CN109193306B (en) | wire connecting device for electric field wiring | |
| CN110579629A (en) | High-voltage lead supporting device for lightning arrester test | |
| CN205159935U (en) | Quick accurate tensioner bullwheel acts as go -between | |
| CN209940133U (en) | Electric power coiling device | |
| CN218648162U (en) | Novel 110kV split-phase grounding wire | |
| CN113363865B (en) | Insulating operation fixing device of line pole tower tablet | |
| CN213689205U (en) | Electric wire tensile testing machine | |
| CN115864098A (en) | High-altitude wiring device and method for power detection | |
| CN207339093U (en) | A kind of power ampere loads line device | |
| CN114188885B (en) | Pre-twisted wire winding tool | |
| CN203422391U (en) | Lead wire joint fixing tool for high voltage test | |
| JPH0710127B2 (en) | Method of laying wire for bird damage prevention in high voltage transmission line equipment | |
| JPH02276406A (en) | Distribution line supporting device | |
| CN208369072U (en) | A kind of transmission line antivibration hammer apparatus for examination and repair | |
| CN108512126A (en) | A kind of power ampere loads line apparatus | |
| CN218335028U (en) | Tightener for power transmission and transformation line | |
| CN216289870U (en) | Electric remote control live working clamping tool | |
| CN208350924U (en) | A kind of position finder special installation tool | |
| CN208078532U (en) | A kind of power ampere loads line apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |