CN117921149A - Portable filament submerged arc welding device - Google Patents
Portable filament submerged arc welding device Download PDFInfo
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- CN117921149A CN117921149A CN202410112867.XA CN202410112867A CN117921149A CN 117921149 A CN117921149 A CN 117921149A CN 202410112867 A CN202410112867 A CN 202410112867A CN 117921149 A CN117921149 A CN 117921149A
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- water
- welding
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- filament
- pipe
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- 238000003466 welding Methods 0.000 title claims abstract description 172
- 238000001816 cooling Methods 0.000 claims abstract description 86
- 239000000498 cooling water Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 10
- 229910052755 nonmetal Inorganic materials 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 238000013021 overheating Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010924 continuous production Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 241001016380 Reseda luteola Species 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Arc Welding In General (AREA)
Abstract
The invention discloses a portable filament submerged arc welding device, which comprises a welding device body and a driving wheel set arranged at the bottom of the welding device body, wherein a wire feeding device, a water-cooling filament welding gun and a water-cooling power supply device are arranged on the welding device body; the water-cooling power supply device is used for providing cooling water and power supply for the whole device; the water-cooling filament welding gun is communicated with a water-cooling power supply device through a water-electricity pipe, is circularly water-cooled through cooling water provided by the water-cooling power supply device, and is welded through a power supply provided by the water-cooling power supply device; and the wire feeding device is communicated with the water-cooling filament welding gun through a wire feeding pipe and provides welding wires for the welding of the water-cooling filament welding gun. The water-cooling filament welding gun can avoid overheating of the filament welding wire under high current and ensure the continuity of the welding process; the water-cooling chassis can reduce the influence of heat radiation generated in the welding process on the welding device body, avoid overheating of the device and be beneficial to continuous production operation.
Description
Technical Field
The invention relates to the technical field of manufacturing of pressure vessels and boilers, in particular to a portable filament submerged arc welding device.
Background
Submerged arc welding is a method in which an arc burns under a flux layer to effect welding. The inherent advantages of stable welding quality, high welding productivity, no arc light, little smoke dust and the like make the welding method become a main welding method in the manufacture of important steel structures such as pressure vessels, pipe section manufacture, box-type beam columns and the like.
The longitudinal circumferential seam of the pressure vessel is usually in a submerged arc welding mode, and due to the characteristic of large heat input of the submerged arc welding, when the welding seam is welded by the submerged arc welding, other prepositive process schemes are often needed to be matched, for example, a gasket is added at the welding seam position, the gasket and part of the welding seam are removed from the back side after the welding is finished, and then the welding is carried out again to fill cladding metal; secondly, a specific groove form is processed, argon arc welding is firstly adopted to carry out weld root priming, then the height of the weld is increased by using a manual welding mode, and finally the weld is filled by using a submerged arc welding mode. These process schemes aim at ensuring weld quality, but to some extent limit production efficiency. When the traditional equipment is used for adopting the double-sided submerged arc welding process scheme, quality defects such as slag inclusion, air holes and the like can be caused at the root of the welding seam.
Disclosure of Invention
In order to solve the technical problems, the invention designs a portable filament submerged arc welding device which is used for solving the problem that the occurrence rate of quality defects such as slag inclusion, air holes and the like at the root of a welding line is high and improving the production efficiency when the double-sided submerged arc welding process scheme is adopted.
The invention adopts the following technical scheme:
The portable filament submerged arc welding device comprises a welding device body and a driving wheel set arranged at the bottom of the welding device body, wherein a wire feeding device, a water-cooling filament welding gun and a water-cooling power supply device are arranged on the welding device body;
the water-cooling power supply device is used for providing cooling water and power supply for the whole device;
The water-cooling filament welding gun is communicated with a water-cooling power supply device through a water-electricity pipe, is circularly water-cooled through cooling water provided by the water-cooling power supply device, and is welded through a power supply provided by the water-cooling power supply device;
and the wire feeding device is communicated with the water-cooling filament welding gun through a wire feeding pipe and provides welding wires for the welding of the water-cooling filament welding gun.
Preferably, a direction adjusting device is arranged between the welding device body and the water-cooling filament welding gun and is used for adjusting the welding angle and the welding position of the water-cooling filament welding gun.
Preferably, a water-cooling chassis is installed at the lower part of the welding device body, the driving wheel group is fixed at the bottom of the water-cooling chassis, and the water-cooling chassis is communicated with the water-cooling power supply device through a water pipe and is circularly water-cooled through cooling water provided by the water-cooling power supply device.
Preferably, the direction adjusting device comprises an adjusting track, a Y-axis position adjuster, a Z-axis position adjuster, an X-axis angle adjuster, a Y-axis angle adjuster and a hoop, wherein the Y-axis position adjuster is fixed on one side of the water-cooling chassis, the adjusting track penetrates through the center of the Y-axis position adjuster, the Z-axis position adjuster, the X-axis angle adjuster and the Y-axis angle adjuster are integrated and are arranged on the adjusting track, and the water-cooling filament welding gun is fixed on the Y-axis angle adjuster through the hoop.
Preferably, the water-cooling filament welding gun comprises a gun rod and a conductive nozzle arranged at the bottom end of the gun rod, wherein the gun rod is provided with a central tube, the central tube is used for being connected with a wire feeding tube, the central tube and the conductive nozzle are internally provided with central holes, the central tube is communicated with the central holes in the conductive nozzle and used for feeding welding wires through the wire feeding tube, a water-cooling cavity is arranged in the gun rod, a cooling water inlet tube and a cooling water outlet tube are communicated in the water-cooling cavity, and the cooling water inlet tube and the cooling water outlet tube are respectively connected with a water-cooling power supply device through water-electricity tubes.
Preferably, a protective shell is arranged on the gun rod through threads, an upper sealing plate is sleeved on the central pipe, the cooling water inlet pipe and the cooling water outlet pipe, and the protective shell covers the central pipe, the cooling water inlet pipe and the cooling water outlet pipe.
Preferably, the conductive nozzle is arranged at the bottom end of the gun rod through threads.
Preferably, the water-electricity pipe is connected with a Y-shaped three-way pipe, the water-electricity pipe connected with the water-cooling power supply device is divided into two paths through the Y-shaped three-way pipe, one path is communicated with the water-cooling filament welding gun, and the other path is communicated with the water-cooling chassis through a high-temperature-resistant hose.
Preferably, a wire reel fixing frame is installed on the welding device body, and welding wires output from the wire reel fixing frame are communicated into the wire feeding device through a wire feeding pipe.
Preferably, the wire feeding tube comprises a metal spring tube and a nonmetal hose, wherein the nonmetal hose is coated outside the metal spring tube, and the inside of the metal spring tube is used for passing welding wires.
The beneficial effects of the invention are as follows: (1) The water-cooling filament welding gun using the fine submerged arc welding wire with the diameter of 1.2mm is adopted, the back of the bevel with the blunt edge of 6mm is welded, the process from forming to expanding of a molten pool is stable, the existence time of the molten pool is relatively long, the discharge of gas and impurities existing at the root of a welding seam can be promoted, and then the conventional submerged arc welding mode can be directly adopted at the front, so that the working procedures of back chipping, polishing and the like are avoided, and the quality and the production efficiency of the welding seam are improved; (2) The welding current of the thin wire submerged arc welding device is basically consistent with that of the conventional submerged arc welding device, but compared with the welding wire with the diameter of 3-4mm of the conventional submerged arc gun and the passive heat dissipation of a large-size gun rod, the water-cooling thin wire welding gun of the device can avoid the overheating of the thin welding wire under high current, and ensure the continuity of the welding process; (3) The water-cooling chassis can reduce the influence of heat radiation generated in the welding process on the welding device body, avoid overheating of the device, be beneficial to continuous production operation, reduce the distance between the device and a workpiece, and adopt a shorter gun rod, thereby reducing the influence of vibration generated in the moving process of the device on a molten pool.
Drawings
FIG. 1 is a schematic view of a construction of the present invention;
FIG. 2 is a schematic view of the structure of a water-cooled filament welding gun of the present invention;
FIG. 3 is a schematic illustration of a welding groove application of the present invention;
FIG. 4 is a schematic view of a water and electricity pipe according to the present invention
FIG. 5 is a schematic view of a wire feeder tube according to the present invention
In the figure: 1. the welding device comprises a welding device body, 2 parts of driving wheel groups, 3 parts of direction adjusting devices, 4 parts of water-cooling filament welding guns, 5 parts of water-cooling chassis, 6 parts of water-cooling power supply devices, 7 parts of water pipes, 8 parts of wire feeding pipes, 101 parts of wire reel fixing frames, 102 parts of wire feeding devices, 103 parts of weights, 301 parts of adjusting rails, 302 parts of Y-axis position adjusting devices, 303 parts of Y-axis position adjusting devices, 304 parts of Z-axis position adjusting devices, 305 parts of X-axis angle adjusting devices, 306 parts of Y-axis angle adjusting devices, 307 parts of anchor clamps, 401 parts of conducting nozzles, 402 parts of gun shafts, 403 parts of center pipes, 404 parts of center pipes, cooling water inlet pipes, 405 parts of cooling water outlet pipes, 406 parts of upper sealing plates, 407 parts of protecting shells, 701 parts of Y-type three-way pipes, 702 parts of high-temperature-resistant hoses, 801 parts of metal spring pipes, 802 parts of non-metal hoses, 803 parts of welding wires.
A. back welding lines, front welding lines, overlapping areas of C and welding lines, D and a water cooling cavity.
Detailed Description
The technical scheme of the invention is further specifically described by the following specific embodiments with reference to the accompanying drawings:
examples: as shown in fig. 1, the portable filament submerged arc welding device comprises a welding device body 1, a driving wheel set 2, a direction adjusting device 3, a water-cooling filament welding gun 4, a water-cooling chassis 5, a water-cooling power supply device 6, a wire feeding pipe 7 and a water and electricity pipe 8.
Through adopting above-mentioned technical scheme, as shown in fig. 5, wire feed tube 7 selects for use outer diameter 4.5mm, metal spring pipe 801 of internal diameter 2mm, and metal spring pipe overcoat has connect nonmetal hose 802, and nonmetal hose adopts the PVC hose that is specification 5x9mm, and wire feed device 102 and water-cooling filament welder 4's center tube 403 are connected respectively through the connector at both ends to wire feed tube 801 center through to wire 803. The welding device body 1 is provided with a wire reel fixing frame 101, and welding wires 103 output from the wire reel fixing frame 101 are communicated into the wire feeding device 10 through a wire feeding pipe 7.
By adopting the above technical scheme, as shown in fig. 4, the water and electricity pipe 7 is connected with two ends of the straight pipe of the Y-shaped three-way pipe 701, the water and electricity pipe 7 is connected with the water cooling filament welding gun 4 and the water cooling power supply device 6, and the high temperature resistant hose 702 is connected with the Y-shaped three-way pipe 701 and the water cooling chassis 5.
Through adopting above-mentioned technical scheme, water-cooling chassis 5 is installed to welding set body 1 lower part, drive wheelset 2 is fixed in water-cooling chassis 5 bottom, counterweight 103 and wire reel mount 101 are installed respectively in the front and back position of welding set body 1, wire feeder 102 is installed in the side of welding set body 1, the position is slightly higher than the mounted position of water-cooling filament welder 4, during the use, install the welding wire on the wire reel, the wire reel is installed on wire reel mount 101, the welding wire passes through from wire feed tube 7 inside, in the water-cooling filament welder 4 is sent into to the welding wire through wire feeder 102 power supply, drive wheelset 2, wire feeder 102 is unified control by the controller in the welding set body 1, control panel control and corresponding parameter of settlement on the controller.
By adopting the technical scheme, the Y-axis position adjuster 302 is fixed at one end of the water-cooling chassis 5, the adjusting rail 301 passes through the center of the Y-axis position adjuster 302, the Y-axis position fine adjuster 303, the Z-axis position fine adjuster 304, the X-axis angle adjuster 305 and the Y-axis angle adjuster 306 are integrated, the water-cooling filament welding gun 4 is mounted on the adjusting rail 301, and the water-cooling filament welding gun 4 is fixed at the end part of the direction adjusting device 3 through the hoop 307. The knob on the Y-axis rotation position adjuster 302 can control the adjustment rail 301 to move along a larger range in the Y-axis direction, the knob on the Y-axis position adjuster 303 can be rotated to adjust a small range in the Y-axis direction, the knob on the Z-axis position adjuster can be rotated to adjust a small range in the Z-axis direction, the X-axis angle adjuster 305 can be rotated to adjust an angle in the X-axis direction, and the Y-axis angle adjuster 306 can be rotated to adjust an angle in the Y-axis direction.
Through adopting above-mentioned technical scheme, water-cooling power supply unit 6 provides cooling water and power for whole device, and water-cooling power supply unit 6 is controlled by the controller in welding set body 1, and the cooling water that flows from water-cooling power supply unit 6 divide into two ways through Y type three-way pipe 701, and one of them is connected to water-cooling filament welder 4 through water-electricity pipe 8, and another is connected to water-cooling chassis 5 through high temperature resistant hose 702, merges the circulating water of high temperature through Y type three-way pipe 701 after the circulation and returns to water-cooling power supply unit 6.
By adopting the technical scheme, as shown in fig. 2, the water-cooled filament welding gun 4 is composed of a conductive nozzle 401, a gun rod 402, a cooling water inlet pipe 404, a cooling water outlet pipe 405, an upper sealing plate 406 and a protective shell 407, the central pipe 403 and the gun rod 402 are integrally formed, the upper sealing plate 406 is connected with the gun rod 402, the cooling water inlet pipe 404 and the cooling water outlet pipe 405 in a welding mode, a formed closed water-cooled cavity D is communicated with the outside only through the cooling water inlet pipe 404 and the cooling water outlet pipe 405, the conductive nozzle 401 is fixed with the gun rod 402 in a threaded mode, the central holes of the central pipe 403 and the conductive nozzle 401 are kept concentric, the protective shell 407 is sleeved on a tube bundle composed of a water power pipe 7 and a wire feeding pipe 8 during installation, after the connection with the cooling water inlet pipe 404, the cooling water outlet pipe 405 and the central pipe 403 is completed, the protective shell 407 is installed on the gun rod 402 in a threaded mode, and then the water-cooled filament welding gun 4 is fixed at the end of the direction adjusting device 3 through the anchor collar 307. In operation, cooling water fills the water cooling chamber D from the cooling water inlet pipe 404, high temperature water flows out from the cooling water outlet pipe 405, welding wire enters from the upper portion of the center pipe 403, and extends out from the lower end of the conductive tip 401.
The working principle of the invention is as follows:
As shown in figure 3, when the welding line A on the back of a to-be-welded area of a workpiece is placed upwards, the blunt edge of a groove meets the requirement of 6mm thickness, the to-be-welded surface and the surrounding 25mm range are cleaned to expose metallic luster by a mechanical polishing mode, the device is placed on the surface of the workpiece, the water-cooling power supply device 6 is placed on the edge of the workpiece or a designated place, the Y-shaped three-way pipe 701 is installed at a cooling water outlet and a water return port, the water-cooling power supply device 7 and the water-cooling filament welding gun 4 are connected, the high-temperature-resistant hose 702 and the water-cooling chassis 5 are connected, the power supply of the water-cooling power supply device 6 is connected, the center of the water-cooling chassis 5 is adjusted to be parallel to the welding line, the positions of the welding line are kept away from by driving wheel sets 2, preferably wheels are respectively positioned on two sides of the welding line and keep a distance of more than 50mm, the adjusting rail 301 is installed on the Y-axis position adjuster 302, and the direction adjusting device 3 is adjusted to a required position by rotating a knob of the Y-axis adjuster 302.
The required welding wire is arranged on the wire reel fixing frame 101, the wire reel fixing frame 101 is rotated by hand to pay out enough welding wire, then the welding wire is manually inserted into the wire feeding pipe 8 until the welding wire enters the wire feeding device 102, then the wire feeding device 102 is manually controlled by the welding device body 1 to feed wire, the welding wire enters the wire feeding pipe 8, the welding wire is extruded from the conductive nozzle 401 through the water-cooling thin wire welding gun 4 to the position of the root of the welding seam, the Y-axis position fine adjuster 303, the Z-axis position fine adjuster 304, the X-axis angle adjuster 305 and the Y-axis angle adjuster 306 are manually rotated to respectively adjust the Y-axis and Z-axis direction positions of the water-cooling thin wire welding gun 4, the angles of the X-axis and Z-axis positions are adjusted to the position of the conductive nozzle 401 which is about 15mm away from the surface of the workpiece and is vertical to the workpiece, after the adjustment is finished, the pliers are utilized to cut off redundant welding wires, the manual wire feeding is continued until the welding wires are contacted with a workpiece, the water cooling circulation of a water cooling power supply device is started through the welding device body 1, welding is started through the welding device body 1, one or more welding channels are carried out on the back welding line A of the to-be-welded area according to the size of a groove, after the back welding line A is filled, the front welding line B of the to-be-welded area is cleaned in a mechanical mode, other welding modes, such as submerged arc welding of welding wires phi 3.2/4.0, are directly adopted to weld the front welding line B, and a welding line overlapping area C is formed between the back welding line A and the front welding line B, so that a final full-welding penetration welding line is formed.
The corresponding complete device also comprises a welding machine pipeline system, an electric control system, a pneumatic system and the like.
The above-described embodiment is only a preferred embodiment of the present invention, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (10)
1. The portable filament submerged arc welding device comprises a welding device body and a driving wheel set arranged at the bottom of the welding device body, and is characterized in that a wire feeding device, a water-cooling filament welding gun and a water-cooling power supply device are arranged on the welding device body;
the water-cooling power supply device is used for providing cooling water and power supply for the whole device;
The water-cooling filament welding gun is communicated with a water-cooling power supply device through a water-electricity pipe, is circularly water-cooled through cooling water provided by the water-cooling power supply device, and is welded through a power supply provided by the water-cooling power supply device;
and the wire feeding device is communicated with the water-cooling filament welding gun through a wire feeding pipe and provides welding wires for the welding of the water-cooling filament welding gun.
2. The portable filament submerged arc welding apparatus of claim 1, wherein a direction adjusting device is installed between the welding apparatus body and the water-cooled filament welding gun, and the direction adjusting device is used for adjusting the welding angle and the welding position of the water-cooled filament welding gun.
3. The portable submerged arc welding apparatus according to claim 2, wherein a water-cooled chassis is installed at the lower part of the welding apparatus body, the driving wheel set is fixed at the bottom of the water-cooled chassis, and the water-cooled chassis is communicated with the water-cooled power supply device through a water pipe and is cooled by cooling water circulation provided by the water-cooled power supply device.
4. A portable filament submerged arc welding apparatus according to claim 3, wherein the direction adjustment means comprises an adjustment rail, a Y-axis position adjuster, a Z-axis position adjuster, an X-axis angle adjuster, a Y-axis angle adjuster, and a hoop, the Y-axis position adjuster is fixed to one side of the water-cooled chassis, the adjustment rail passes through the center of the Y-axis position adjuster, the Z-axis position adjuster, the X-axis angle adjuster, and the Y-axis angle adjuster are integrally mounted on the adjustment rail, and the water-cooled filament welding gun is fixed to the Y-axis angle adjuster by the hoop.
5. The portable filament submerged arc welding device according to claim 1, wherein the water-cooled filament welding gun comprises a gun rod and a conductive nozzle arranged at the bottom end of the gun rod, a central tube is arranged on the gun rod and is used for being connected with a wire feeding tube, central holes are formed in the central tube and the conductive nozzle, the central tube is communicated with the conductive nozzle and is used for welding wires fed through the wire feeding tube, a water-cooled cavity is formed in the gun rod, a cooling water inlet tube and a cooling water outlet tube are communicated in the water-cooled cavity, and the cooling water inlet tube and the cooling water outlet tube are respectively connected with a water-cooled power supply device through water and electricity tubes.
6. The portable submerged arc welding apparatus of claim 5, wherein the gun rod is provided with a protective shell through threads, an upper sealing plate is sleeved on the central pipe, the cooling water inlet pipe and the cooling water outlet pipe, and the protective shell covers the central pipe, the cooling water inlet pipe and the cooling water outlet pipe.
7. The portable filament submerged arc welding apparatus of claim 5, wherein said conductive nozzle is threadably mounted to the bottom end of the gun shank.
8. The portable filament submerged arc welding device according to claim 3, wherein the water-electricity pipe is connected with a Y-shaped three-way pipe, the water-electricity pipe connected with the water-cooling power supply device is divided into two paths through the Y-shaped three-way pipe, one path is communicated with the water-cooling filament welding gun, and the other path is communicated with the water-cooling chassis through a high-temperature-resistant hose.
9. The portable submerged arc welding apparatus of claim 1, wherein the welding apparatus body is provided with a wire reel holder, and welding wires output from the wire reel holder are communicated into the wire feeder through a wire feeding pipe.
10. The portable filament submerged arc welding apparatus of claim 9, wherein the wire feed pipe comprises a metal spring pipe and a non-metal hose, the non-metal hose being wrapped around the metal spring pipe, the metal spring pipe being internally configured to pass welding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410112867.XA CN117921149A (en) | 2024-01-26 | 2024-01-26 | Portable filament submerged arc welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410112867.XA CN117921149A (en) | 2024-01-26 | 2024-01-26 | Portable filament submerged arc welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117921149A true CN117921149A (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410112867.XA Pending CN117921149A (en) | 2024-01-26 | 2024-01-26 | Portable filament submerged arc welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117921149A (en) |
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2024
- 2024-01-26 CN CN202410112867.XA patent/CN117921149A/en active Pending
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