CN116275817A - Welding tool for bottom frame of lifting platform - Google Patents
Welding tool for bottom frame of lifting platform Download PDFInfo
- Publication number
- CN116275817A CN116275817A CN202310395829.5A CN202310395829A CN116275817A CN 116275817 A CN116275817 A CN 116275817A CN 202310395829 A CN202310395829 A CN 202310395829A CN 116275817 A CN116275817 A CN 116275817A
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- positioning
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- locking
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- 238000003466 welding Methods 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims description 44
- 238000006073 displacement reaction Methods 0.000 claims description 25
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding fixture for a bottom frame of a lifting platform, which comprises a multi-station adjustable welding unit, wherein a plurality of positioning fixtures are arranged on the multi-station adjustable welding unit, each positioning fixture comprises a frame body, four corners at the lower end of each frame body are provided with positioning connecting blocks, and two first positioning units are symmetrically arranged on the rear half section of each frame body; the front half section of the frame body is symmetrically provided with two fixing units, each fixing unit is respectively arranged on each fixing plate, each fixing plate is detachably connected with the frame body, and a jacking unit connected with the frame body is arranged between each fixing unit. The invention has the beneficial effects of improving efficiency, reducing reject ratio, along with high stability, wide applicability, simple operation, low manufacturing cost, difficult compliance and the like.
Description
Technical Field
The invention relates to a welding tool, in particular to a welding tool for a bottom frame of a lifting platform.
Background
The frame is a frame structure which is bridged on the front axle and the rear axle of the automobile, commonly called a girder, and is a matrix of the automobile. The vehicle is generally composed of two longitudinal beams and a plurality of transverse beams, and is supported on wheels through a suspension device, a front axle and a rear axle. When the frame is manufactured, all parts of the frame are required to be welded and fixed together, most of the existing welding modes are manually welded, but on one hand, the manual welding modes are different in technical proficiency of each operator, so that the welding quality is different, more unqualified products are caused, the efficiency is affected, and the cost is increased; on the other hand, the welding efficiency is low, the labor intensity of manpower is high, more operators are needed to carry out shift when welding a large number of frames, and on the other hand, the welding quality is affected because stable positioning cannot be carried out on the frames during welding, so that the frames are easy to deform; in order to solve the problem, the special positioning welding frame is used for welding, and the welding mode ensures certain stability, but has higher manufacturing cost, and meanwhile, the welding mode cannot be suitable for welding frames of different models, and has poor practicability.
Therefore, the person skilled in the art is dedicated to providing a welding fixture for the bottom frame of the lifting platform, which can effectively solve the technical problems.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a welding tool for a bottom frame of a lifting platform, which can effectively solve the above-mentioned problems.
In order to achieve the above purpose, the invention provides a welding fixture for a bottom frame of a lifting platform, which comprises a multi-station adjustable welding unit, wherein a plurality of positioning fixtures are arranged on the multi-station adjustable welding unit, each positioning fixture comprises a frame body, four corners at the lower end of each frame body are provided with positioning connecting blocks, and two first positioning units are symmetrically arranged at the rear half section of each frame body;
the front half section of the frame body is symmetrically provided with two fixing units, each fixing unit is respectively arranged on each fixing plate, each fixing plate is detachably connected with the frame body, and a jacking unit connected with the frame body is arranged between each fixing unit.
Preferably, the multi-station adjustable welding unit comprises a base, two guide rails are arranged on the base, a plurality of sliding seats are slidably arranged on each guide rail, and each frame body can be slidably connected with the guide rail through each sliding seat;
the four corners of base upper end all are provided with the third stand, and the upper end of each third stand is connected with the lower extreme at four angles of roof simultaneously, the top of base is provided with upper and lower displacement mechanism, upper and lower displacement mechanism's both ends and each third stand sliding connection, upper and lower displacement mechanism is last movable be provided with a plurality of welding mechanism, each welding mechanism is last to be provided with the soldered connection locating rack.
Preferably, the up-down displacement mechanism comprises two displacement cylinders arranged on the top plate, the output end of each displacement cylinder movably penetrates through the top plate and is connected with the upper end of each cross rod, the two ends of each cross rod are respectively and slidably sleeved on each guide rod, a limiting block is detachably arranged at the upper end of each guide rod, the lower end of each guide rod is connected with the base, two guide pieces are arranged below each cross rod, the upper ends of the two sides of each guide piece are connected with the lower end of each cross rod through connecting columns, and the two ends of each welding mechanism are respectively and slidably connected with each guide piece and are driven by a power unit.
Preferably, an adjusting hole is formed along the length direction of the guide piece;
the welding mechanism comprises an adjusting seat, two ends of the adjusting seat slidably extend out of the guide piece through adjusting holes and are movably sleeved on guide posts, the guide posts are arranged on the guide pieces respectively, a threaded section is arranged on one of the guide posts and is in threaded connection with the guide piece through the threaded section, the power unit comprises an installation box body, the installation box body is arranged on the guide piece, a displacement motor is arranged in the installation box body, and the output end of the displacement motor is connected with the guide post with the threaded section.
Preferably, the upper end of the adjusting seat is provided with a bidirectional adjusting cylinder, the output end of the bidirectional adjusting cylinder is provided with fixed blocks, and each fixed block extends downwards through an opening formed in the adjusting seat and is connected with the welding head positioning frame.
Preferably, the first positioning unit comprises a first positioning plate, a front locking mechanism and a side locking mechanism are arranged on the first positioning plate, the front locking mechanism comprises a first upright post which is detachably arranged on the first positioning plate, and a first locking piece for locking the frame is arranged at the upper end of the first upright post;
the side locking mechanism comprises a second upright post which is detachably arranged on the first positioning plate, the second upright post is higher than the first upright post, and a second locking piece used for locking the frame is arranged at the upper end of the second upright post.
Preferably, the first locking piece comprises a locking seat detachably connected with the first upright post, the locking seat comprises a positioning part and a guiding part, a locking rod is movably inserted into the guiding part, one end of the locking rod is hinged with one end of the first connecting piece, the other end of the first connecting piece is hinged with a second connecting piece, the second connecting piece is rotatably connected with the positioning part, and a handle is arranged at the upper end of the second connecting piece; the second locking piece is identical to the first locking piece in structure.
Preferably, first positioning columns are symmetrically arranged on each first positioning plate;
the first positioning column is provided with a plurality of first mounting holes, and the first positioning column is adjustably provided with a positioning disc and a first transverse limiting table.
Preferably, the fixing unit comprises a second transverse limiting table matched with the first transverse limiting table, the fixing plate is provided with a propping mechanism, the propping mechanism comprises a positioning rod connected with the fixing plate, the upper end of the positioning rod is provided with a clamping groove, the positioning rod is sleeved with a positioning block, the positioning block is provided with a protruding portion, the fixing plate is provided with a rotating member, the rotating member is provided with a clamping portion, the middle of the outer side of the rotating member is provided with a bayonet matched with the protruding portion, the upper portion of the rotating member is rotatably provided with a clamping rod matched with the clamping groove, and the fixing plate is provided with a positioning conical column.
Preferably, the jacking unit comprises two second positioning columns connected with the frame body, each second positioning column is provided with a second mounting hole, each second positioning column is provided with a mounting plate in an adjustable mode, the upper ends of the mounting plates are connected through a connecting plate, the lower portion of the connecting plate is hinged to a jacking cylinder connected with the frame body, the output end of the jacking cylinder is hinged to the jacking frame, the jacking frame is hinged to the connecting plate through two vertical plates, and two supporting plates for supporting the jacking frame are arranged on the connecting plate.
The beneficial effects of the invention are as follows: according to the invention, on one hand, manual operation is replaced by absorption, so that the efficiency is improved, and the reject ratio is reduced; on the other hand, the labor intensity of operators is reduced, and meanwhile, the stability is higher; on the other hand, the adjustable bicycle frame is applicable to frames of different models according to adjustment, and has wide applicability; meanwhile, the method has the advantages of simplicity in operation, low manufacturing cost, difficulty in damage, and the like.
Drawings
Fig. 1 is a schematic structural view of a multi-station adjustable welding unit according to the present invention.
Fig. 2 is a schematic view of a partially enlarged structure at a in fig. 1.
Fig. 3 is a partially enlarged schematic view of the structure at B in fig. 1.
Fig. 4 is a schematic structural diagram of a positioning tool in the present invention.
Fig. 5 is a schematic structural view of a first positioning unit in the present invention.
Fig. 6 is a partially enlarged schematic view of the structure at C in fig. 5.
Fig. 7 is a schematic perspective view of a positioning tool.
Fig. 8 is a schematic structural view of the fixing unit.
Fig. 9 is a schematic structural view of components such as the jack unit.
Fig. 10 is a schematic structural diagram of the bottom frame in use with a positioning fixture.
Fig. 11 is a schematic bottom perspective view of fig. 10.
Description of the embodiments
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 11, a welding fixture for a bottom frame of a lifting platform comprises a multi-station adjustable welding unit 1, wherein a plurality of positioning fixtures 2 are arranged on the multi-station adjustable welding unit 1, each positioning fixture 2 comprises a frame body 3, four corners at the lower end of each frame body 3 are provided with positioning connecting blocks 5, and two first positioning units 6 are symmetrically arranged at the rear half section of each frame body 3;
two fixing units 7 are symmetrically arranged on the front half section of the frame body 3, each fixing unit 7 is respectively arranged on each fixing plate 8, each fixing plate 8 is detachably connected with the frame body 3, and a jacking unit 9 connected with the frame body 3 is arranged between each fixing unit 7.
The multi-station adjustable welding unit 1 comprises a base 10, wherein two guide rails 12 are arranged on the base 10, a plurality of sliding seats 11 are slidably arranged on each guide rail 12, and each frame 3 can be slidably connected with the guide rail 12 through each sliding seat 11;
the four corners of the upper end of the base 10 are respectively provided with a third upright post 13, the upper end of each third upright post 13 is simultaneously connected with the lower ends of the four corners of the top plate 15, an up-down displacement mechanism 16 is arranged above the base 10, two ends of the up-down displacement mechanism 16 are slidably connected with each third upright post 13, a plurality of welding mechanisms 17 are movably arranged on the up-down displacement mechanism 16, and a welding head positioning frame 18 is arranged on each welding mechanism 17.
The up-down displacement mechanism 16 includes two displacement cylinders 19 disposed on the top plate 15, the output end of each displacement cylinder 19 movably passes through the top plate 15 and is connected with the upper end of each cross rod 20, two ends of each cross rod 20 are respectively slidably sleeved on each guide rod 21, the upper end of each guide rod 21 is detachably provided with a limiting block 22, the lower end of each guide rod 21 is connected with the base 10, two guide members 23 are disposed below each cross rod 20, the upper ends of two sides of each guide member 23 are connected with the lower end of each cross rod 20 through a connecting column 26, and two ends of each welding mechanism 17 are respectively slidably connected with each guide member 23 and driven by a power unit.
An adjusting hole 27 is formed along the length direction of the guide member 23;
the welding mechanism 17 comprises an adjusting seat 28, two ends of the adjusting seat 28 slidably extend out of the guide piece 23 through adjusting holes 27 and are movably sleeved on guide posts 29, each guide post 29 is arranged on each guide piece 23, one guide post 29 is provided with a threaded section and is in threaded connection with the guide piece 23 through the threaded section, the power unit comprises a mounting box 30, the mounting box 30 is arranged on the guide piece 23, a displacement motor is arranged in the mounting box 30, and the output end of the displacement motor is connected with the guide post 29 with the threaded section.
The upper end of the adjusting seat 28 is provided with a bidirectional adjusting cylinder 31, the output end of the bidirectional adjusting cylinder 31 is provided with a fixed block 33, and each fixed block extends downwards through an opening formed in the adjusting seat 28 and is connected with the welding head positioning frame 18.
The first positioning unit 6 comprises a first positioning plate 32, a front locking mechanism 36 and a side locking mechanism 37 are arranged on the first positioning plate 32, the front locking mechanism 36 comprises a first upright post 50 detachably arranged on the first positioning plate 32, and a first locking piece 38 for locking the frame is arranged at the upper end of the first upright post 50;
the side locking mechanism 37 comprises a second upright post 51 detachably arranged on the first positioning plate 32, the second upright post 51 is higher than the first upright post 50, and a second locking piece 39 for locking the frame is arranged at the upper end of the second upright post 51.
The first locking member 38 comprises a locking seat 55 detachably connected with the first upright 50, the locking seat 55 comprises a positioning part 56 and a guiding part 57, a locking rod 58 is movably inserted in the guiding part 57, one end of the locking rod 58 is hinged with one end of a first connecting member 59, the other end of the first connecting member 59 is hinged with a second connecting member 60, the second connecting member 60 is rotatably connected with the positioning part 56, and a handle 61 is arranged at the upper end of the second connecting member 60; the second locking member 39 is identical in structure to the first locking member 38.
The jacking unit 9 comprises two second positioning columns 78 connected with the frame body 3, second mounting holes 79 are formed in each second positioning column 78, mounting plates 80 are adjustably arranged on each second positioning column 78, the upper ends of the mounting plates 80 are connected through connecting plates 81, jacking air cylinders 82 connected with the frame body 3 are hinged below the connecting plates 81, the output ends of the jacking air cylinders 82 are hinged with jacking frames 83, the jacking frames 83 are hinged with the connecting plates 81 through two vertical plates 86, and two supporting plates for supporting the jacking frames 83 are arranged on the connecting plates 81.
The positioning tool 2 is used for positioning the bottom frames 100, a plurality of bottom frames are arranged on the sliding seat 11, the welding mechanism 17 is driven to move up and down through the displacement cylinder 19, the welding mechanism 17 is driven to move left and right through the power unit, the two-way adjusting cylinder 31 is driven to move back and forth, the welding equipment is arranged on the welding head positioning frame 18, so that the welding equipment is stably shaped during the guarantee period through the positioning tool 2, the welding equipment is adjusted in a front-back, left-right, right-up and down mode, the size of the multi-station adjustable welding unit 1 and the number of stations can be set according to actual needs, the top moving frame 83 is supported by the top moving cylinder 82 in an upward top moving mode, and the bottom frames can be lifted, so that workpieces can be removed conveniently.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. Welding fixture for bottom frame of lifting platform, which is characterized in that: the welding device comprises a multi-station adjustable welding unit (1), wherein a plurality of positioning tools (2) are arranged on the multi-station adjustable welding unit (1), each positioning tool (2) comprises a frame body (3), four corners at the lower end of each frame body (3) are respectively provided with a positioning connecting block (5), and two first positioning units (6) are symmetrically arranged at the rear half section of each frame body (3);
two fixing units (7) are symmetrically arranged on the front half section of the frame body (3), the fixing units (7) are respectively arranged on the fixing plates (8), the fixing plates (8) are detachably connected with the frame body (3), and a jacking unit (9) connected with the frame body (3) is arranged between the fixing units (7).
2. The lifting platform bottom frame welding fixture of claim 1, wherein: the multi-station adjustable welding unit (1) comprises a base (10), wherein two guide rails (12) are arranged on the base (10), a plurality of sliding seats (11) are slidably arranged on each guide rail (12), and each frame body (3) can be slidably connected with the guide rail (12) through each sliding seat (11);
the four corners of base (10) upper end all are provided with third stand (13), and the upper end of each third stand (13) is connected with the lower extreme at four angles of roof (15) simultaneously, the top of base (10) is provided with upper and lower displacement mechanism (16), the both ends and the each third stand (13) sliding connection of upper and lower displacement mechanism (16), upper and lower movable be provided with a plurality of welding mechanism (17) on displacement mechanism (16), each be provided with soldered connection locating rack (18) on welding mechanism (17).
3. The lifting platform bottom frame welding fixture of claim 2, wherein: the upper and lower displacement mechanism (16) comprises two displacement cylinders (19) arranged on the top plate (15), the output end of each displacement cylinder (19) movably penetrates through the top plate (15) and is connected with the upper end of each cross rod (20), two ends of each cross rod (20) are respectively and slidably sleeved on each guide rod (21), a limiting block (22) is detachably arranged at the upper end of each guide rod (21), the lower end of each guide rod (21) is connected with the base (10), two guide members (23) are arranged below each cross rod (20), the upper ends of two sides of each guide member (23) are connected with the lower end of each cross rod (20) through connecting columns (26), and two ends of each welding mechanism (17) are respectively and slidably connected with each guide member (23) and are driven by a power unit.
4. A lifting platform bottom frame welding fixture as claimed in claim 3, wherein: an adjusting hole (27) is formed along the length direction of the guide piece (23);
the welding mechanism (17) comprises an adjusting seat (28), two ends of the adjusting seat (28) slidably extend out of the guide piece (23) through adjusting holes (27) and are movably sleeved on guide posts (29), the guide posts (29) are respectively arranged on the guide pieces (23), a threaded section is arranged on one of the guide posts (29) and is in threaded connection with the guide piece (23) through the threaded section, the power unit comprises a mounting box body (30), the mounting box body (30) is arranged on the guide piece (23), a displacement motor is arranged in the mounting box body (30), and the output end of the displacement motor is connected with the guide post (29) with the threaded section.
5. The lifting platform bottom frame welding fixture of claim 4, wherein: the upper end of the adjusting seat (28) is provided with a bidirectional adjusting cylinder (31), the output end of the bidirectional adjusting cylinder (31) is provided with fixed blocks (33), and each fixed block extends downwards through an opening formed in the adjusting seat (28) and is connected with the welding head positioning frame (18).
6. The lifting platform bottom frame welding fixture of any one of claims 1 to 5, wherein: the first positioning unit (6) comprises a first positioning plate (32), a front locking mechanism (36) and a side locking mechanism (37) are arranged on the first positioning plate (32), the front locking mechanism (36) comprises a first upright post (50) which is detachably arranged on the first positioning plate (32), and a first locking piece (38) for locking the frame is arranged at the upper end of the first upright post (50);
the side locking mechanism (37) comprises a second upright post (51) which is detachably arranged on the first positioning plate (32), the second upright post (51) is higher than the first upright post (50), and a second locking piece (39) used for locking the frame is arranged at the upper end of the second upright post (51).
7. The lifting platform bottom frame welding fixture of claim 6, wherein: the first locking piece (38) comprises a locking seat (55) detachably connected with the first upright post (50), the locking seat (55) comprises a positioning part (56) and a guiding part (57), a locking rod (58) is movably inserted into the guiding part (57), one end of the locking rod (58) is hinged with one end of a first connecting piece (59), the other end of the first connecting piece (59) is hinged with a second connecting piece (60), the second connecting piece (60) is rotatably connected with the positioning part (56), and a handle (61) is arranged at the upper end of the second connecting piece (60); the second locking member (39) is identical in structure to the first locking member (38).
8. The lifting platform bottom frame welding fixture of claim 7, wherein: first positioning columns (62) are symmetrically arranged on each first positioning plate (32);
the first positioning column (62) is provided with a plurality of first mounting holes (63), and the first positioning column (62) is adjustably provided with a positioning disc (66) and a first transverse limiting table (67).
9. The lifting platform bottom frame welding fixture of claim 8, wherein: the fixing unit (7) comprises a second transverse limiting table matched with the first transverse limiting table (67), a propping mechanism (69) is arranged on the fixing plate (8), the propping mechanism (69) comprises a locating rod (70) connected with the fixing plate (8), a clamping groove (71) is formed in the upper end of the locating rod (70), a locating block (72) is sleeved on the locating rod (70), a protruding portion (73) is arranged on the locating block (72), a rotating piece (75) is arranged on the fixing plate (8), a clamping portion (76) is arranged on the rotating piece (75), a bayonet (), matched with the protruding portion (73), is arranged in the middle of the outer side of the rotating piece (75), a clamping rod (), matched with the clamping groove (71), is rotatably arranged on the upper portion of the rotating piece (75), and a locating conical column (77) is arranged on the fixing plate (8).
10. The lifting platform bottom frame welding fixture of claim 9, wherein: the jacking unit (9) comprises two second positioning columns (78) connected with the frame body (3), second mounting holes (79) are formed in each second positioning column (78), mounting plates (80) are arranged on the second positioning columns (78) in an adjustable mode, the upper ends of the mounting plates (80) are connected through connecting plates (81), jacking cylinders (82) connected with the frame body (3) are hinged to the lower portions of the connecting plates (81), the output ends of the jacking cylinders (82) are hinged to the jacking frames (83), the jacking frames (83) are hinged to the connecting plates (81) through two vertical plates (86), and two supporting plates used for supporting the jacking frames (83) are arranged on the connecting plates (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310395829.5A CN116275817A (en) | 2023-04-14 | 2023-04-14 | Welding tool for bottom frame of lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310395829.5A CN116275817A (en) | 2023-04-14 | 2023-04-14 | Welding tool for bottom frame of lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116275817A true CN116275817A (en) | 2023-06-23 |
Family
ID=86787180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310395829.5A Pending CN116275817A (en) | 2023-04-14 | 2023-04-14 | Welding tool for bottom frame of lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116275817A (en) |
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2023
- 2023-04-14 CN CN202310395829.5A patent/CN116275817A/en active Pending
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