CN114043147B - Large side beam assembly tire - Google Patents
Large side beam assembly tire Download PDFInfo
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- CN114043147B CN114043147B CN202111253656.0A CN202111253656A CN114043147B CN 114043147 B CN114043147 B CN 114043147B CN 202111253656 A CN202111253656 A CN 202111253656A CN 114043147 B CN114043147 B CN 114043147B
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- Prior art keywords
- assembly
- platform
- side beam
- pressing
- positioning
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Classifications
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to controlling of welding distortion
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of manufacturing equipment, in particular to a large-scale side beam assembly jig, which comprises a platform, a portal frame, guide rails, a positioning support assembly and a clamping assembly, wherein a pressing device for calibrating and controlling the local deformation of a side beam is slidably arranged on the portal frame, the positioning support assembly is used for positioning and supporting the horizontal direction and the bottom surface of the side beam, the clamping assembly is used for fixing and locking the side beam, modular design is used, the large-scale side beam assembly jig is convenient for multi-variety alternate production, the universality is high, the preassembling precision of parts is ensured through the positioning support assembly easy to assemble and disassemble, the welding deformation in the welding process of long straight welding lines is reduced by the pressing device, a plurality of adjusting columns are further arranged on the side edge, the local position of the side beam assembly jig is corrected, the precision requirement of a finished product of the side beam is effectively ensured, and staff can alternate interchange stations and work division cooperation is realized by simultaneously processing the two sides, so that the production efficiency of the side beam assembly is greatly improved.
Description
Technical Field
The invention relates to the technical field of manufacturing equipment, in particular to an assembly tire composed of large side beams.
Background
The flat car of a certain model is different from the traditional single-layer flat car in car body structure, the rear of the car body is not provided with a middle beam, the flat car is of a curved side wall bearing structure, the side beams are of a length of nearly 16 meters, the flat car is formed by welding a first lower side beam 91, a second lower side beam 92, a web 93, an upper side beam 94, a small side column 95, a large side column 96, a middle side column 97, an end plate 98 and a side beam 99, the first lower side beam 91 is of a round corner bending plate, the second lower side beam 92 is of an L-shaped bending plate, the web 93 is of a large plate with a folded edge, the upper side beam 94 is of a square steel structure, and the small side column 95 is of a channel steel structure with a groove. The web 93 is assembled outside the side column and is in a streamline shape, and the assembly size control of the side beam assembly is a key in the vehicle body assembly in the manufacturing process, so that the side beam assembly is particularly important to control as a key procedure, but the existing tooling equipment is difficult to meet the batch operation of the side beam assembly, the batch assembly parts are piled up on site, and the vehicle body assembly quality hidden trouble is caused by a simple tooling, so that the production process circulation is unsmooth.
The early production of the side beam assembly is generally carried out on a platform, and the side beam assembly is assembled by measuring and positioning by using a backer and a tape measure. The assembly sequence is that a web plate 93- & gt, a first lower side beam 91- & gt, a second lower side beam 92- & gt, an end plate 98- & gt, an upper side beam 94- & gt, a large side column 96- & gt, a side beam 99- & gt, a small side column 95 and a middle side column 97. However, the side beam is mainly formed by assembling and welding plates, bending parts, sectional materials and the like with different thicknesses, and the assembling precision and the design of the side beam assembly on the platform are difficult to keep all the time due to the bending design, longer length, large lateral area and the influence of blanking deformation and bending precision of the side beam assembly, and the assembling and post-welding dimensions of the side beam assembly are difficult to control due to the bending structure, the difficulty of detection and correction is large, a large-scale pressing device is lacked, the welding deformation is large, and the assembling and post-welding dimensions of the side beam assembly are difficult to control.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a large-sized side beam assembly tire.
The technical scheme includes that the large side beam assembly tire comprises a platform, a portal frame, guide rails, positioning support assemblies and clamping assemblies, wherein a plurality of upper mounting grooves are formed in the top surface of the platform at intervals parallel to the length direction of the platform, a plurality of side mounting grooves are formed in the side edges of the platform at intervals, the positioning support assemblies are fixed on the platform through the upper mounting grooves, the guide rails are arranged on two sides of the platform along the length direction of the platform, the portal frame is arranged on the guide rails in a walking mode, the portal frame is provided with a pressing device for calibrating and controlling the local deformation of the side beams in a sliding mode, the positioning support assemblies are used for positioning and supporting the horizontal direction and the bottom surface of the side beams, and the clamping assemblies are used for fixing and locking the side beams.
Specifically, the location supporting component is used for carrying out location installation to the product, location supporting component and clamping component detachably fix on the platform, can change location supporting component according to different product demands. The portal frame can move back and forth along the guide rail, and the components and parts formed by the side beams are calibrated or local areas are compressed in the assembly or welding process, so that welding deformation is reduced. The special support assembly is used for rapidly positioning the side beam assembly, so that the assembly precision is ensured, the welding deformation is reduced, and the welding efficiency and quality are ensured.
According to another embodiment of the present invention, the pressing device further includes a pressing base and a pressing head, and the pressing head is slidably mounted in the pressing base along a vertical direction.
According to another embodiment of the invention, the automatic welding device further comprises an automatic welding unit which is slidably arranged on the portal frame, wherein the automatic welding unit is provided with a welding manipulator and is used for continuous automatic welding along the travelling direction of the portal frame.
Through setting up automatic weld unit and welding manipulator, can be when portal frame walking continuous automatic weld, reduce workman's amount of labour, improve welding efficiency, guarantee simultaneously to stabilize welding and welding quality.
According to another embodiment of the present invention, the two sets of the gantry frames are further provided, wherein one set of the gantry frames is provided with two sets of the pressing devices, and the other set of the gantry frames is provided with two sets of the automatic welding units.
Through setting up two sets of pushing devices and two sets of automatic weld units, can compress tightly and automatic weld simultaneously to the welding position of two welding seams simultaneously, two portal frames alternate movement accomplishes the welding on the whole length, improves welding efficiency and quality.
According to another embodiment of the present invention, the positioning support assembly further includes a plurality of first bases and second bases that are disposed in parallel and spaced apart along a width direction of the platform, the first bases are provided with a first support surface, a second support surface, a first backrest and a second backrest, and the second bases are provided with a third support surface, a fourth support surface, a fifth support surface, a third backrest, a fourth backrest and a fifth backrest.
By arranging the supporting surface and the backer, stable support and accurate positioning are provided for the component assembly of the side beam, the welding precision is ensured, and the alignment adjustment time is shortened.
According to another embodiment of the present invention, a first adjusting column is horizontally disposed on one side of the first backup, a second adjusting column is horizontally disposed on one side of the third supporting surface, at least one third adjusting column is horizontally disposed on one side of the fifth backup, and the first adjusting column, the second adjusting column and the third adjusting column are all mounted on the first base and the second base in a threaded fit.
Through setting up the adjusting column, can correct the local position of side beam component spare part, guarantee that the lateral deflection on the whole length direction accords with the requirement, guarantee to constitute welding precision.
According to another embodiment of the present invention, the positioning support assembly is a symmetrical structure for simultaneously mounting two side members.
Through setting up two installation stations symmetrically, can carry out spare part equipment, welding in turn on platform both sides, equipment staff and welding staff can exchange the station in turn, staff's division work cooperation, mutually noninterfere, when one side hoist and mount, install, adjust welding spare part, carry out welding treatment in the opposite side, realize batch operation, improved curb girder constitution production efficiency greatly.
According to another embodiment of the present invention, the clamping assembly further includes a plurality of single-side quick-press assemblies, a G-shaped clip, and a double-side quick-press assembly, wherein the single-side quick-press assemblies are used for pressing the upper side beams and are fixed on the upper mounting groove, the G-shaped clip is used for clamping the first lower side beams, and the double-side quick-press assemblies are used for clamping the first lower side beams and the second lower side beams and are fixed at the middle of the platform.
Through using conventional clamp, arrange the clamping position in a flexible way according to the product demand, improve the operating efficiency. By using the quick press assembly fixture, the components can be quickly installed, clamped and disassembled.
The invention has the advantages that the invention uses modularized design, is convenient for the multi-variety alternate production of the large-scale beam assembly welding parts, has strong universality, ensures the preassembly precision of parts through the positioning support assembly easy to disassemble and assemble, only needs to modify or replace part of the base when the product is upgraded, is convenient for product updating, is simultaneously provided with the pressing device capable of adjusting and moving on the whole welding plane, reduces the welding deformation in the welding process of the long straight welding line, is also provided with a plurality of adjusting columns on the side edges, corrects the partial positions of the side beam assembly parts, properly reduces the precision requirements of the parts, and simultaneously effectively ensures the precision requirements of the finished products of the side beam assembly parts.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a side sill assembly;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view at X in FIG. 2;
FIG. 4 is a schematic view of one side of the present invention with only the web, roof rail and first roof rail installed;
FIG. 5 is an enlarged view at Y in FIG. 4;
FIG. 6 is a schematic view of a side sill assembly welding finish;
FIG. 7 is an enlarged view at Z in FIG. 6;
FIG. 8 is a side schematic view of FIG. 4;
fig. 9 is an enlarged view at L in fig. 8;
FIG. 10 is a side schematic view of FIG. 6;
FIG. 11 is a partially exploded schematic view of the present invention;
FIG. 12 is a schematic view of a first base;
FIG. 13 is a schematic view of a second mount;
FIG. 14 is an enlarged view of FIG. 13 at M;
FIG. 15 is an enlarged view of FIG. 13 at N;
FIG. 16 is a schematic view of a single sided quick press assembly;
FIG. 17 is a schematic view of a G-clip 52;
fig. 18 is a schematic diagram of a dual sided quick press assembly.
In the figure, a platform 1, an upper mounting groove 11, a side mounting groove 12, a portal frame 2, a pressing device 21, a pressing base 211, a pressing head 212, an automatic welding unit 22, a guide rail 3, a positioning support assembly 4, a clamping assembly 5, a single-side quick-press assembly 51, a first base 511, a first bent arm 512, a first press post 513, a first pin 514, a g-clip 52, a second base 521, a second press post 522, a positioning portion 523, a double-side quick-press assembly 53, a third base 531, a third press post 532, a first base 6, a first support surface 61, a second support surface 62, a first abutment 63, a second abutment 64, a first adjustment post 65, a second base 7, a third support surface 71, a fourth support surface 72, a fifth support surface 75, a third abutment 73, a fourth abutment 74, a fifth abutment 76, a second adjustment post 77, a third adjustment post 78, a first lower beam 91, a second lower beam 92, 93, an upper beam 94, a small side beam 94, a side beam 96, a small side beam 96, a side beam 95, and a middle end plate 99.
Detailed Description
Fig. 2-18 are schematic structural views of the present invention, a large-sized side beam assembly tire, which comprises a platform 1, a portal frame 2, a guide rail 3, a positioning support assembly 4 and a clamping assembly 5, wherein a plurality of upper mounting grooves 11 are arranged on the top surface of the platform 1 at intervals parallel to the length direction of the platform 1, a plurality of side mounting grooves 12 are arranged on the side edges of the platform at intervals, the positioning support assembly 4 is fixed on the platform 1 through the upper mounting grooves 11, the guide rail 3 is arranged on two sides of the platform 1 along the length direction of the platform 1, the portal frame 2 is arranged on the guide rail 3 in a walking manner, a pressing device 21 for calibrating and controlling the local deformation of the side beam is slidably arranged on the portal frame 2, the positioning support assembly 4 is used for positioning and supporting the side beam in the horizontal direction and the bottom surface, and the clamping assembly 5 is used for fixing and locking the side beam.
The upper mounting groove 11 and the side mounting groove 12 can be T-shaped grooves, and are parallel to the length direction of the platform 1, so that the mounting positions can be conveniently adjusted according to the size of the positioning support assembly 4. The portal frame 2 can move back and forth on the guide rail 3, and the pressing device 21 moves on the portal frame 2 along the width direction of the platform 1 so as to adjust the pressing position. The platform 1 is provided with a certain height, so that operators can conveniently stand around the platform to work.
Preferably, the pressing device 21 includes a pressing base 211 and a pressing head 212, and the pressing head 212 is slidably mounted in the pressing base 211 along a vertical direction.
The pressing device 21 may be a hydraulic driving structure, and the plunger drives the pressing head 212 to move up and down.
Preferably, the automatic welding unit 22 is slidably mounted on the gantry 2, and the automatic welding unit 22 is provided with a welding manipulator and is used for continuous automatic welding along the travelling direction of the gantry 2.
The automatic welding unit 22 is provided with a conventional welding robot or automatic welding device.
Preferably, two groups of the gantry frames 2 are provided, two groups of pressing devices 21 are provided on one group of the gantry frames 2, and two groups of automatic welding units 22 are provided on the other group of the gantry frames 2.
Preferably, the positioning support assembly 4 includes a plurality of first bases 6 and second bases 7 disposed at intervals in parallel along the width direction of the platform 1, the first bases 6 are provided with a first support surface 61, a second support surface 62, a first rest 63 and a second rest 64, and the second bases 7 are provided with a third support surface 71, a fourth support surface 72, a fifth support surface 75, a third rest 73, a fourth rest 74 and a fifth rest 76.
The first base 6 and the second base 7 can be welded structures, and comprise a bottom plate and a vertical plate, wherein the bottom plate is in butt joint with the platform 1, an installation U-shaped groove matched with the upper installation groove 11 in position is formed in the bottom plate, the vertical plate is perpendicular to the bottom plate, each supporting surface and each backer are formed by utilizing the cutting shape of the upper edge of the vertical plate, and the bottom plate and the vertical plate are welded into a whole through a plurality of reinforcing rib plates.
The support surfaces formed by the first support surface 61 and the third support surface 71 are used for supporting the roof side rail 94, and the first rest 63 and the third rest 73 provide side positioning for the roof side rail 94. The second support surface 62 and the fourth support surface 72 form a support surface for supporting the web 93, and the second abutment 64 and the fourth abutment 74 provide lateral positioning for the web 93. The fifth bearing surface 75 and the fifth backup 76 provide positioning and support for the two sides of the first rocker 91 while the web 93, the upper rocker 94 and the first rocker 91 overlap each other when in place.
Preferably, a first adjusting column 65 is horizontally arranged on one side of the first leaning support 63, a second adjusting column 77 is horizontally arranged on one side of the third supporting surface 71, at least one third adjusting column 78 is horizontally arranged on one side of the fifth leaning support 76, and the first adjusting column 65, the second adjusting column 77 and the third adjusting column 78 are all installed on the first base 6 and the second base 7 in a threaded fit mode.
The adjusting columns can be arranged on part of the first base 6 and the second base 7, the mounting positions of the adjusting columns are respectively provided with a mounting seat, the first adjusting column 65, the second adjusting column 77 and the second adjusting column 77 are in threaded connection with the mounting seats, and the extending lengths of the adjusting columns can be adjusted through flat surfaces or hexagon heads of the adjusting column head parts so as to be abutted against the side walls of the upper side beams 94 and the first lower side beams 91 and adjust the side deflection of the adjusting columns.
Preferably, the positioning support assembly 4 has a symmetrical structure and is used for simultaneously installing two side beams.
The positioning support assembly 4 may have a symmetrical structure.
Preferably, the clamping assembly 5 includes a plurality of single-sided quick press assemblies 51, a G-shaped clamp 52 and a double-sided quick press assembly 53, wherein the single-sided quick press assemblies 51 are used for pressing the upper side beams 94 and are fixed on the upper mounting groove 11, the G-shaped clamp 52 is used for clamping the first lower side beams 91, and the double-sided quick press assemblies 53 are used for clamping the first lower side beams 91 and the second lower side beams 92 and are fixed in the middle of the platform 1.
The single-sided quick press assembly 51, the G-shaped clip 52 and the double-sided quick press assembly 53 may be conventional manual quick press tools, and may be provided in plurality along the length direction of the platform 1. The single-side quick-press assembly 51 and the double-side quick-press assembly 53 can also be arranged as pneumatic automatic clamps, so that the clamping efficiency is improved.
The single-side quick-press assembly 51 includes a first base 511, a first bent arm 512 is hinged on the first base 511, a first press post 513 is screwed on an end of the first bent arm 512, and the other end of the first bent arm 512 is fixed relative to the first base 511 by a first pin 514. When the pressing machine is used, after the workpiece to be machined is installed in place, the first pin 514 is installed, and then the first pressing column 513 is rotated to a proper position to press the workpiece to be machined. When the first press stud 513 is loosened, the first pin 514 can be detached, and then the first bent arm 512 is lifted, so that the workpiece to be machined can be conveniently lifted. The single-side quick pressing assembly 51 is installed in the upper installation groove 11 and is used for pressing the upper end face of the upper edge beam 94.
The G-shaped clamp 52 is a frame with one side open, and comprises a second base 521, one end of the second base 521 is provided with a positioning portion 523, the other end of the second base 521 is in threaded connection with a second press post 522, and the distance between the end of the second press post 522 and the positioning portion 523 is adjusted by rotating the second press post 522 to clamp or unclamp a workpiece. The G-clip 52 is configured to be freely mounted on both sides of the two first rocker beams 91, such that the first rocker beams 91 abut against the fifth support surface 75 and the fifth backup 76.
The double-sided quick press assembly 53 is similar to the single-sided quick press assembly 51 in structure, but shares a third base 531 and is also provided with a third press post 532. The double-sided quick-press assembly 53 is used for pressing the lower side edge of the first rocker 91 by means of a channel steel block, and can also be used for pressing the upper end surface of the second rocker 92 when welding the second rocker 92. The double-sided quick-press assembly 53 can be matched with the platform 1 for fixing through a mounting hole.
The pressing columns can rotate and tighten through penetrating the steel bars by utilizing the lever torsion.
Through providing accurate positioning and reliable compaction to the main structure, can effectively control welding deformation, guarantee main structure welding precision. The small side column 95, the large side column 96, the middle side column 97, the end plate 98 and the side beam 99 of other welding parts can form self-positioning, the welded surfaces are used as positioning references or are mutually abutted to be used as references, and then welding of other small parts can be completed by means of a common guiding rule and a standard clamping tool.
The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, changes or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The large side beam assembly tire is characterized by comprising a platform (1), a portal frame (2), guide rails (3), positioning support assemblies (4) and clamping assemblies (5), wherein a plurality of upper mounting grooves (11) are formed in the top surface of the platform (1) at intervals parallel to the length direction of the platform (1), a plurality of side mounting grooves (12) are formed in the side edges of the platform at intervals, the positioning support assemblies (4) are fixed on the platform (1) through the upper mounting grooves (11), the guide rails (3) are arranged on two sides of the platform (1) along the length direction of the platform (1), the portal frame (2) is arranged on the guide rails (3) in a walking mode, a pressing device (21) for calibrating and controlling the local deformation of the side beams is arranged on the portal frame (2) in a sliding mode, the positioning support assemblies (4) are used for positioning and supporting the horizontal direction and the bottom surface of the side beams, and the clamping assemblies (5) are used for fixing and locking the side beams;
The positioning support assembly (4) comprises a plurality of first bases (6) and second bases (7) which are arranged at intervals in parallel along the width direction of the platform (1), wherein a first support surface (61), a second support surface (62), a first leaning mountain (63) and a second leaning mountain (64) are arranged on the first bases (6), and a third support surface (71), a fourth support surface (72), a fifth support surface (75), a third leaning mountain (73), a fourth leaning mountain (74) and a fifth leaning mountain (76) are arranged on the second bases (7);
A first adjusting column (65) is horizontally arranged on one side of the first leaning support (63), a second adjusting column (77) is horizontally arranged on one side of the third supporting surface (71), at least one third adjusting column (78) is horizontally arranged on one side of the fifth leaning support (76), and the first adjusting column (65), the second adjusting column (77) and the third adjusting column (78) are arranged on the first base (6) and the second base (7) in a threaded fit manner;
The positioning support assembly (4) is of a symmetrical structure and is used for simultaneously installing two side beams;
The clamping assembly (5) comprises a plurality of unilateral quick pressing assemblies (51), a G-shaped clamp (52) and a bilateral quick pressing assembly (53), wherein the unilateral quick pressing assemblies (51) are used for pressing upper edge beams (94) and are fixed on an upper mounting groove (11), the G-shaped clamp (52) is used for clamping a first lower edge beam (91), and the bilateral quick pressing assembly (53) is used for clamping the first lower edge beam (91) and a second lower edge beam (92) and is fixed in the middle of the platform (1).
2. The large-sized side sill assembly jig according to claim 1, wherein the pressing device (21) comprises a pressing base body (211) and a pressing head (212), and the pressing head (212) is slidably mounted in the pressing base body (211) in the vertical direction.
3. The large side beam assembly jig according to claim 1, wherein the gantry (2) is slidably provided with an automatic welding unit (22), and the automatic welding unit (22) is provided with a welding manipulator and is used for continuous automatic welding along the travelling direction of the gantry (2).
4. A large side sill assembly jig according to claim 3, characterized in that the gantry frames (2) are provided with two sets, wherein one set of gantry frames (2) is provided with two sets of pressing devices (21), and the other set of gantry frames (2) is provided with two sets of automatic welding units (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253656.0A CN114043147B (en) | 2021-10-27 | 2021-10-27 | Large side beam assembly tire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253656.0A CN114043147B (en) | 2021-10-27 | 2021-10-27 | Large side beam assembly tire |
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| CN114043147A CN114043147A (en) | 2022-02-15 |
| CN114043147B true CN114043147B (en) | 2024-12-17 |
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| CN202111253656.0A Active CN114043147B (en) | 2021-10-27 | 2021-10-27 | Large side beam assembly tire |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114559674B (en) * | 2022-02-21 | 2022-07-22 | 常州市新创智能科技有限公司 | Sectional type composite material vehicle body assembling tool and assembling process |
| CN114589531A (en) * | 2022-03-25 | 2022-06-07 | 四川艾庞机械科技有限公司 | Synchronous thin plate pressing device and using method thereof |
| CN115338551A (en) * | 2022-08-18 | 2022-11-15 | 中建科工集团绿色科技有限公司 | Corrugated plate welding correction device and method |
| CN115673589B (en) * | 2022-11-18 | 2026-03-03 | 中车戚墅堰机车有限公司 | Frame assembling and welding method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216541578U (en) * | 2021-10-27 | 2022-05-17 | 中车常州车辆有限公司 | Large-scale curb girder constitution equipment child |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020714A (en) * | 1989-04-12 | 1991-06-04 | The Boeing Company | Method and press apparatus for manufacturing |
| JP2005319969A (en) * | 2004-05-11 | 2005-11-17 | Toyota Motor Corp | Chassis frame welding aid |
| CN201519850U (en) * | 2009-10-15 | 2010-07-07 | 中国北车集团大同电力机车有限责任公司 | Clamping device for assembly welding of orbit vehicle side wall top side beams |
| CN213969677U (en) * | 2020-09-24 | 2021-08-17 | 辽宁忠旺铝合金精深加工有限公司 | Anti-deformation welding tool for commercial vehicle protection device |
| CN213794982U (en) * | 2020-09-28 | 2021-07-27 | 中车常州车辆有限公司 | Railway vehicle side wall assembling jig |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN216541578U (en) * | 2021-10-27 | 2022-05-17 | 中车常州车辆有限公司 | Large-scale curb girder constitution equipment child |
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