CN219805619U - Front axle welding tool - Google Patents
Front axle welding tool Download PDFInfo
- Publication number
- CN219805619U CN219805619U CN202321351194.0U CN202321351194U CN219805619U CN 219805619 U CN219805619 U CN 219805619U CN 202321351194 U CN202321351194 U CN 202321351194U CN 219805619 U CN219805619 U CN 219805619U
- Authority
- CN
- China
- Prior art keywords
- welding
- motor
- supporting component
- front axle
- support frame
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 74
- 238000005096 rolling process Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims 2
- 230000007246 mechanism Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- -1 large Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a front axle welding tool which comprises a movable seat, wherein the movable seat is arranged above a welding table, a first sliding groove is formed in the upper end of the welding table, a sliding block is arranged in the first sliding groove, a third sliding groove is formed in the upper end of the movable seat, and a first supporting component and a second supporting component are respectively arranged above the welding table and the movable seat; the mounting panel, it sets up first supporting component and second supporting component, two the inside of second spout all is provided with the clamp splice, one side of mounting panel is provided with first motor, the inside of second spout is provided with the double-threaded lead screw, is equipped with two support fixture on this welding frock, and one of them supports fixture and adopts movable mounting's mode, transversely or vertically remove the regulation to supporting fixture when auxiliary operation, change the position state between two support fixture, conveniently carry out the centre gripping to the front axle of different specifications, guarantee front axle welding stability.
Description
Technical Field
The utility model relates to the technical field of front axle welding, in particular to a front axle welding tool.
Background
The front axle is a device for transmitting the acting force between the frame and the front wheel and the bending moment and torque generated by the acting force, and is mostly a driven axle, also called a steering axle, and is generally uniformly distributed at the front end of a vehicle and is connected with a steering system by utilizing a steering knuckle. The steering force output by the steering gear can be transmitted to the wheels to achieve steering of the vehicle. The welding fixture is a set of flexible fixture for welding, fixing, compressing and positioning, is mainly used for welding various weldable materials, large, medium and small materials and is mainly used for welding various weldable materials, large, medium and small materials
Chinese patent publication No. CN209407788U, authorized bulletin day is 2019, 09 and 20, a front axle welding fixture for corn harvester, comprising a front axle main body, wherein the front axle main body is formed by welding a top plate, a bottom plate, a front plate and a back plate in mutually perpendicular, the front plate comprises a front upper plate and a front lower plate, the back plate comprises a back upper plate and a back lower plate, the left and right ends of the front axle main body are all provided with connecting flanges, a group of supporting seats which are mutually symmetrical are arranged at the middle position of the front end surface of the front axle main body, and the beneficial effects are that: according to the utility model, the welding structure of the middle parallel section of the front axle meets the rotation of the rocker arm at different angles by adding the cooperation of the reinforcing cross rod and the inserted rod, and the end panels are not separated; the utility model adds the reinforcing diagonal rods at the left and right ends of the front axle to bear inward extrusion force caused by the bending torque of the roller, so that the bearing capacity between the end panels is increased.
The existing fixture supports the fixed setting of fixture, and the appearance of front axle is irregular, when placing the front axle in different angles again, the front axle can not accurately put on supporting fixture, is difficult to ensure the stability of front axle welding process, reduces the result of use of welding frock, can not satisfy the user demand.
Disclosure of Invention
The utility model aims to provide a front axle welding fixture, which aims to solve the problems that in the prior art, the existing fixture supporting and clamping mechanism is fixedly arranged, the appearance of a front axle is irregular, and when the front axle is placed at different angles, the front axle cannot be accurately placed on the supporting and clamping mechanism, the stability of the front axle welding process is difficult to ensure, the using effect of the welding fixture is reduced, and the using requirement cannot be met.
In order to achieve the above purpose, the present utility model provides the following technical solutions: front axle welding frock, including the welding bench, still include:
the welding device comprises a welding table, a movable seat, a first sliding groove, a second sliding groove, a third sliding groove, a first supporting component and a second supporting component, wherein the welding table is arranged above the movable seat;
the mounting plate is arranged on the first supporting component and the second supporting component, the mounting plate is rotationally connected with the first supporting component and the second supporting component, the second sliding grooves are formed in the upper end of the mounting plate, two clamping blocks are arranged in the second sliding grooves and are in sliding connection with the mounting plate, a first motor is arranged on one side of the mounting plate, the first motor is connected with the mounting plate through screws, a double-thread screw rod is arranged in the second sliding grooves and is communicated with the clamping blocks, one end of the double-thread screw rod is connected with the output end of the first motor, the double-thread screw rod is in threaded connection with the clamping blocks, and the double-thread screw rod is rotationally connected with the mounting plate;
the electric cabinet is arranged on one side of the welding table, and the electric cabinet is connected with the welding table through screws.
Preferably, the first support component and the second support component comprise a first support frame, a second support frame and an electric telescopic rod, the electric telescopic rod is arranged between the first support frame and the second support frame, and two ends of the electric telescopic rod are fixedly connected with the first support frame and the second support frame respectively.
Preferably, the inner side of the clamping block is provided with a rubber pad, the rubber pad and the clamping block are connected into a whole, a pressure sensor is arranged between the rubber pad and the clamping block, and the pressure sensor is fixedly connected with the rubber pad.
Preferably, a fourth motor is arranged in the second supporting frame and is fixedly connected with the second supporting frame, the output end of the fourth motor is connected with the lower end of the mounting plate, a vibration reduction supporting seat is arranged below the welding table, and the vibration reduction supporting seat is connected with the welding table through screws.
Preferably, one side of the welding table is provided with a third motor, the third motor is connected with the welding table through a screw, a first screw rod is arranged in the first sliding groove and is communicated with the sliding block, one end of the first screw rod is connected with the output end of the third motor, the first screw rod is in threaded connection with the sliding block, the first screw rod is rotationally connected with the welding table, the upper end of the welding table is provided with a rolling groove, the rolling grooves are provided with two rolling grooves, the two rolling grooves are arranged on two sides of the first sliding groove, balls are arranged at the lower end of the moving seat, the two rolling grooves are correspondingly arranged with the rolling grooves, one end of each ball extends to the inside of each rolling groove, and the balls are in rolling connection with the welding table and the moving seat.
Preferably, one side of the movable seat is provided with a second motor, the second motor is connected with the movable seat through a screw, a second screw rod is arranged in the third sliding groove and is communicated with the first supporting frame, one end of the second screw rod is connected with the output end of the second motor, the second screw rod is in threaded connection with the first supporting frame, and the second screw rod is in rotary connection with the movable seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the device, through the arrangement of the first motor, the double-threaded screw rod, the clamping blocks and the pressure sensor, the first motor drives the double-threaded screw rod to rotate, the clamping blocks are driven to move along the second sliding grooves along with the rotation of the double-threaded screw rod, the front axle is clamped and fixed by the aid of the clamping blocks, and the pressure sensor measures clamping force, so that the front axle is prevented from being damaged due to overlarge pressure;
2. according to the device, the electric telescopic rod drives the second support frame to lift, and the height of the first support assembly or the second support assembly is adjusted along with the lifting of the second support frame, so that the front axle can be clamped conveniently;
3. according to the device, through the arrangement of the fourth motor, the fourth motor drives the mounting plate to rotate, and the clamping angle is changed along with the rotation of the mounting plate;
4. according to the device, through the arrangement of the second motor and the third motor, the second motor drives the second screw rod to rotate, the second supporting component is driven to move along the third sliding groove along with the rotation of the second screw rod, the third motor drives the first screw rod to rotate, the second supporting component is driven to move along the first sliding groove along with the rotation of the first screw rod, the position point of the second supporting component is changed, and the front axles with different specifications are conveniently clamped.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a diagram showing a connection relationship between a second support assembly and a movable base according to the present utility model;
FIG. 3 is an enlarged view of a portion of area A of FIG. 1 in accordance with the present utility model;
fig. 4 is an enlarged view of a portion of the area B of fig. 2 in accordance with the present utility model.
In the figure: 1. a welding table; 2. a vibration reduction support seat; 3. an electric control box; 4. a first support assembly; 5. a mounting plate; 6. clamping blocks; 7. a rubber pad; 8. a first motor; 9. a movable seat; 10. a second motor; 11. a second support assembly; 12. a first chute; 13. a third motor; 14. rolling grooves; 15. a second chute; 16. a first support frame; 17. a second support frame; 18. an electric telescopic rod; 19. a fourth motor; 20. a double-thread screw rod; 21. a slide block; 22. a first screw rod; 23. a ball; 24. a third chute; 25. a second screw rod; 26. a pressure sensor.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: front axle welding frock, including welding bench 1, still include:
the movable seat 9 is arranged above the welding table 1, a first sliding groove 12 is formed in the upper end of the welding table 1, a sliding block 21 is arranged in the first sliding groove 12 and is in sliding connection with the welding table 1, the sliding block 21 is fixedly connected with the movable seat 9, a third sliding groove 24 is formed in the upper end of the movable seat 9, a first supporting component 4 and a second supporting component 11 are respectively arranged above the welding table 1 and the movable seat 9, the first supporting component 4 is fixedly connected with the welding table 1, one end of the second supporting component 11 extends into the third sliding groove 24, and the second supporting component 11 is in sliding connection with the movable seat 9;
the mounting plate 5 is arranged on the first supporting component 4 and the second supporting component 11, the mounting plate 5 is rotationally connected with the first supporting component 4 and the second supporting component 11, the second sliding grooves 15 are arranged at the upper end of the mounting plate 5, two second sliding grooves 15 are arranged, clamping blocks 6 are arranged in the two second sliding grooves 15, the clamping blocks 6 are in sliding connection with the mounting plate 5, a first motor 8 is arranged on one side of the mounting plate 5, the first motor 8 is connected with the mounting plate 5 through screws, a double-thread screw rod 20 is arranged in the second sliding groove 15, the double-thread screw rod 20 is communicated with the clamping blocks 6, one end of the double-thread screw rod 20 is connected with the output end of the first motor 8, the double-thread screw rod 20 is in threaded connection with the clamping blocks 6, and the double-thread screw rod 20 is rotationally connected with the mounting plate 5;
and the electric cabinet 3 is arranged on one side of the welding table 1, and the electric cabinet 3 is connected with the welding table 1 through screws.
When in use, the utility model is characterized in that: the movable seat 9 slides along the first sliding groove 12, transversely moves and adjusts the right clamping mechanism, the second supporting component 11 moves along the third sliding groove 24, longitudinally moves and adjusts the right clamping mechanism, two ends of a front axle to be welded are lapped on the mounting plate 5, the first motor 8 is started to drive the double-threaded screw rod 20 to rotate, the two clamping blocks 6 are driven to synchronously move along with the rotation of the double-threaded screw rod 20, and the front axle is clamped and fixed by the clamping blocks 6.
Referring to fig. 1 and 2, the first support assembly 4 and the second support assembly 11 each include a first support frame 16, a second support frame 17 and an electric telescopic rod 18, the electric telescopic rods 18 are disposed between the first support frame 16 and the second support frame 17, two ends of each electric telescopic rod 18 are fixedly connected with the first support frame 16 and the second support frame 17, the second support frame 17 is driven to lift by the electric telescopic rods 18, and the length of the first support assembly 4 or the second support assembly 11 is adjusted along with the lifting of the second support frame 17, so that the height of the clamping mechanism is changed.
Referring to fig. 1, 2 and 4, a rubber pad 7 is arranged on the inner side of the clamping block 6, the rubber pad 7 is connected with the clamping block 6 into a whole, a pressure sensor 26 is arranged between the rubber pad 7 and the clamping block 6, the pressure sensor 26 is fixedly connected with the rubber pad 7, the clamping force is measured by the pressure sensor 26 through protecting the front axle clamped by the rubber pad 7, and damage caused by excessive stress of the front axle is avoided.
Referring to fig. 2 and 4, a fourth motor 19 is disposed inside the second supporting frame 17, and the fourth motor 19 is fixedly connected with the second supporting frame 17, an output end of the fourth motor 19 is connected with a lower end of the mounting plate 5, a vibration reduction supporting seat 2 is disposed below the welding table 1, the vibration reduction supporting seat 2 is connected with the welding table 1 through a screw, the mounting plate 5 is driven to rotate through the fourth motor 19, and an angle of the clamping mechanism is changed along with rotation of the mounting plate 5.
Referring to fig. 1 and 2, a third motor 13 is disposed on one side of the welding table 1, the third motor 13 is connected with the welding table 1 through a screw, a first screw rod 22 is disposed inside the first chute 12, the first screw rod 22 is connected with an output end of the third motor 13, the first screw rod 22 is in threaded connection with the slide block 21, the first screw rod 22 is rotationally connected with the welding table 1, a rolling groove 14 is disposed at an upper end of the welding table 1, two rolling grooves 14 are disposed on two sides of the first chute 12, balls 23 are disposed at a lower end of the moving seat 9, two balls 23 are disposed corresponding to the rolling grooves 14, one end of each ball 23 extends to the inside of the corresponding rolling groove 14, the balls 23 are in rolling connection with the welding table 1 and the moving seat 9, the first screw rod 22 is driven to rotate through the third motor 13, and the slide block 21 is driven to slide in the first chute 12 along with rotation of the first screw rod 22, and lateral movement adjustment of the right clamping mechanism is achieved.
Referring to fig. 1 and 2, a second motor 10 is disposed on one side of the moving seat 9, the second motor 10 is connected with the moving seat 9 through a screw, a second screw rod 25 is disposed inside the third sliding groove 24, the second screw rod 25 is communicated with the first supporting frame 16, one end of the second screw rod 25 is connected with an output end of the second motor 10, the second screw rod 25 is in threaded connection with the first supporting frame 16, the second screw rod 25 is rotationally connected with the moving seat 9, the second screw rod 25 is driven to rotate by the second motor 10, and the second supporting assembly 11 is driven to move along the third sliding groove 24 along with the rotation of the second screw rod 25, so that the right clamping mechanism can be longitudinally moved and adjusted.
Working principle: starting the second motor 10 to drive the second screw rod 25 to rotate, driving the second supporting assembly 11 to move along the third sliding groove 24 along with the rotation of the second screw rod 25, and moving the right clamping mechanism to a proper position; the electric telescopic rod 18 is driven to drive the second supporting frame 17 to ascend and descend, the height of the clamping mechanism is changed, the fourth motor 19 is started to drive the mounting plate 5 to rotate, and the angle of the clamping mechanism is changed along with the rotation of the mounting plate 5; the front axle to be welded is arranged on the mounting plate 5 at two ends, the first motor 8 is started to drive the double-threaded screw rod 20 to rotate, the two clamping blocks 6 are driven to synchronously move along with the rotation of the double-threaded screw rod 20, the front axle is clamped and fixed by the aid of the clamping blocks 6, and the pressure sensor 26 measures the clamping force to avoid damage caused by excessive stress of the front axle.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Front axle welding frock, including welding bench (1), its characterized in that still includes:
the welding device comprises a welding table (1), a moving seat (9), a first sliding groove (12) is formed in the upper end of the welding table (1), a sliding block (21) is arranged in the first sliding groove (12), the sliding block (21) is in sliding connection with the welding table (1), the sliding block (21) is fixedly connected with the moving seat (9), a third sliding groove (24) is formed in the upper end of the moving seat (9), a first supporting component (4) and a second supporting component (11) are respectively arranged above the welding table (1) and the moving seat (9), the first supporting component (4) is fixedly connected with the welding table (1), one end of the second supporting component (11) extends to the inner part of the third sliding groove (24), and the second supporting component (11) is in sliding connection with the moving seat (9);
the mounting plate (5) is arranged on the first supporting component (4) and the second supporting component (11), the mounting plate (5) is rotationally connected with the first supporting component (4) and the second supporting component (11), the upper end of the mounting plate (5) is provided with second sliding grooves (15), two second sliding grooves (15) are arranged, clamping blocks (6) are arranged in the two second sliding grooves (15), the clamping blocks (6) are in sliding connection with the mounting plate (5), a first motor (8) is arranged on one side of the mounting plate (5), the first motor (8) is connected with the mounting plate (5) through screws, a double-threaded screw rod (20) is arranged in the second sliding groove (15), the double-threaded screw rod (20) is communicated with the clamping blocks (6), one end of the double-threaded screw rod (20) is connected with the output end of the first motor (8), the double-threaded screw rod (20) is in threaded connection with the clamping blocks (6), and the double-threaded screw rod (20) is rotationally connected with the mounting plate (5).
The electric cabinet (3) is arranged on one side of the welding table (1), and the electric cabinet (3) is connected with the welding table (1) through screws.
2. The front axle welding fixture of claim 1, wherein: the first support assembly (4) and the second support assembly (11) comprise a first support frame (16), a second support frame (17) and an electric telescopic rod (18), the electric telescopic rod (18) is arranged between the first support frame (16) and the second support frame (17), and two ends of the electric telescopic rod (18) are fixedly connected with the first support frame (16) and the second support frame (17) respectively.
3. The front axle welding fixture of claim 1, wherein: the inside of clamp splice (6) is provided with rubber pad (7), and rubber pad (7) are connected as an organic wholely with clamp splice (6), be provided with pressure sensor (26) between rubber pad (7) and clamp splice (6), and pressure sensor (26) and rubber pad (7) fixed connection.
4. The front axle welding fixture of claim 2, wherein: the inside of second support frame (17) is provided with fourth motor (19), and fourth motor (19) and second support frame (17) fixed connection, the output of fourth motor (19) is connected with the lower extreme of mounting panel (5), the below of welding bench (1) is provided with damping supporting seat (2), and damping supporting seat (2) pass through screw connection with welding bench (1).
5. The front axle welding fixture of claim 1, wherein: one side of welding bench (1) is provided with third motor (13), and third motor (13) pass through screw connection with welding bench (1), the inside of first spout (12) is provided with first lead screw (22), and first lead screw (22) link up setting with slider (21), the one end of first lead screw (22) is connected with the output of third motor (13), first lead screw (22) and slider (21) threaded connection, and first lead screw (22) and welding bench (1) rotate to be connected, the upper end of welding bench (1) is provided with indent (14), and indent (14) are provided with two, and two indent (14) set up in the both sides of first spout (12), the lower extreme of moving seat (9) is provided with ball (23), and ball (23) are provided with two, and ball (23) correspond the setting with indent (14), the one end of ball (23) extends to the inside of indent (14), and ball (23) and moves indent (1) and all are connected with rolling seat (9).
6. The front axle welding fixture of claim 1, wherein: one side of remove seat (9) is provided with second motor (10), and second motor (10) pass through screw connection with remove seat (9), the inside of third spout (24) is provided with second lead screw (25), and second lead screw (25) link up setting with first support frame (16), the one end of second lead screw (25) is connected with the output of second motor (10), second lead screw (25) and first support frame (16) threaded connection, and second lead screw (25) are connected with the rotation of remove seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351194.0U CN219805619U (en) | 2023-05-31 | 2023-05-31 | Front axle welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321351194.0U CN219805619U (en) | 2023-05-31 | 2023-05-31 | Front axle welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805619U true CN219805619U (en) | 2023-10-10 |
Family
ID=88214925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321351194.0U Active CN219805619U (en) | 2023-05-31 | 2023-05-31 | Front axle welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805619U (en) |
-
2023
- 2023-05-31 CN CN202321351194.0U patent/CN219805619U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209936539U (en) | Gear deburring device for automobile manufacturing | |
| CN209986911U (en) | Automobile part turnover device | |
| CN207748793U (en) | Cart jack for engine assembly | |
| CN217095697U (en) | Roll processing lathe | |
| CN219805619U (en) | Front axle welding tool | |
| CN111015257A (en) | Automobile wheel hub central siphon finish turning oil seal hole center frame | |
| CN213944683U (en) | Reinforcing bar bending device is used in precast concrete production and processing | |
| CN210504197U (en) | Displacement driving mechanism for stacking robot | |
| CN204915354U (en) | Right accent seat mechanism of variform change realizes | |
| CN219310746U (en) | Frock clamp for flake part convenient to adjust | |
| CN112323630A (en) | Bridge beam slab handling frame convenient to adjust for bridge construction | |
| CN110883481A (en) | Height-adjustable roller carrier for welding | |
| CN214564391U (en) | Multifunctional tire pressure monitor | |
| CN206184952U (en) | Horizontal straightener of H shaped steel | |
| CN212763015U (en) | A location work piece for neodymium iron boron production | |
| CN110449625B (en) | Machining center for machining long shaft | |
| CN220050883U (en) | Automobile part overturning tool | |
| CN219775228U (en) | Detection equipment mounting structure | |
| CN219601059U (en) | Special sleeve transfer device for aluminum foil mill | |
| CN217555710U (en) | Load balancing device for scissor-fork type lifting platform | |
| CN219768249U (en) | Bottom maintenance displacement supporting plate for automobile | |
| CN211869387U (en) | Shaft wheel balance parallel adjusting device for two-shaft four-wheel machine | |
| CN217396493U (en) | Vehicle moving device | |
| CN220186363U (en) | Lifting device for be used for electromechanical device installation | |
| CN218195078U (en) | Vehicle detection workbench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |