CN113399881B - Top cover framework and skin assembly welding tool - Google Patents
Top cover framework and skin assembly welding tool Download PDFInfo
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- CN113399881B CN113399881B CN202110730856.4A CN202110730856A CN113399881B CN 113399881 B CN113399881 B CN 113399881B CN 202110730856 A CN202110730856 A CN 202110730856A CN 113399881 B CN113399881 B CN 113399881B
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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
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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 relates to the technical field of welding auxiliary devices, in particular to a top cover framework and skin assembly welding tool which comprises a base, a pressing plate assembly, a fifth stop block, a fourth stop block, a transverse plate, a vertical plate and a plurality of supporting columns, wherein an inclined plate is further arranged at the front part of a positioning plane, an included angle is formed between the inclined plate and the positioning plane, and the first stop block, the second stop block and the third stop block are symmetrically arranged on the inclined plate.
Description
Technical Field
The invention relates to the technical field of welding auxiliary devices, in particular to a top cover framework and skin assembling and welding tool.
Background
The cab body of the locomotive is usually formed by splicing a plurality of large parts, and the top cover is one of the main parts. The top cover of the locomotive of a certain model comprises a skin 19 and a framework 18, the framework 18 is formed by assembling and welding various parts and comprises steel plates, angle steel, channel steel, rectangular steel pipes and the like, the welding assembly comprises a first cross beam 21, a second cross beam 22, a third cross beam 23 and a fourth cross beam 24, and the top cover further comprises a first vertical beam 41, a second vertical beam 42, a third vertical beam 43, a first bent beam 31, a second bent beam 32, a third bent beam 33, a fourth bent beam 34 and a mounting box 51 which are symmetrically arranged in the left-right direction.
Because the top cap is the main connecting piece of locomotive railway carriage or compartment body, its skeleton 18 structure is complicated, and the bulk strength requires highly, and its bottom surface is as the installation face with other parts, and the roughness requires highly, and skeleton 18 comprises a large amount of irregular welding subassemblies moreover, and welding process is complicated, needs a large amount of appurtenances when handling on welding platform, and welding process is loaded down with trivial details. The main parts of the framework 18, the overall size and the weight are large, the parts are difficult to install and adjust, the production efficiency of the top cover is low, the overall welding deformation cannot be controlled, and particularly the bottom surface of the framework 18 serving as an installation surface is not good. Meanwhile, the skin 19 is formed by welding a plurality of steel plate assemblies which are respectively cut due to large overall dimension, the steel plate assemblies need double-sided welding operation, the skin 19 and the framework 18 are inconvenient to frequently hoist and adjust, the welding operation between the skin 19 and the framework 18 is easy to interfere with an assembly welding positioning tool, and great difficulty is brought to the welding operation of the skin 19.
Disclosure of Invention
The invention provides a top cover framework and a skin assembly welding tool, aiming at overcoming the defects of complex assembly, positioning and welding operations of welding parts and components, low production efficiency, high welding operation difficulty between skins and a framework and large welding deformation of the bottom surface of the framework in the existing welding process of a top cover on a welding platform.
The technical scheme adopted by the invention for solving the technical problems is as follows: a top cover framework and skin assembly welding tool comprises a base, wherein a positioning plane is formed on the upper surface of the base, a plurality of pressing plate assemblies for compressing a first camber beam are arranged on the positioning plane, a fifth stop block for positioning the second camber beam in the left and right directions is arranged, a fourth stop block for positioning the first camber beam in the front and back directions is also arranged on the positioning plane, two groups of the pressing plate assemblies, the fifth stop block and the fourth stop block are arranged, the pressing plate assemblies, the fifth stop block and the fourth stop block are symmetrically arranged on the left and right sides of the positioning plane, a transverse plate, a vertical plate and a plurality of support columns are further symmetrically arranged on the left and right sides of the positioning plane, the transverse plate is fixed on the base along the left and right directions, the vertical plate is fixed on the base perpendicular to the transverse plate direction, and the support columns are positioned on one side of the vertical plate, the rear side face of the transverse plate is also provided with a plurality of pressing plate assemblies, the outer side face of each pressing plate assembly forms a positioning arc face matched with the inner side of the corresponding transverse beam IV, the positioning arc face is provided with a first step and a second step which are parallel to a positioning plane, the upper end face of the transverse plate is provided with a positioning groove matched with the upper end of the left vertical beam I, the vertical plate is provided with a third step and a fourth step which are parallel to the positioning plane, the front portion of the positioning plane is further fixedly provided with an inclined plate, the inclined plate and the positioning plane form an included angle, the left side and the right side of the inclined plate are symmetrically provided with a first stop block, a second stop block and a third stop block, the upper portions of the second stop block and the third stop block are parallel to the positioning plane, and the upper end of the third stop block is provided with a fifth step.
The positioning, supporting and clamping device is simple in arrangement, the positioning, supporting and clamping positions are optimized by combining a welding process, the self-owned geometric characteristics of product parts, the characteristics of each positioning surface of the positioning assembly and the self-weight of a product are fully utilized, the number of the positioning, supporting and clamping assemblies is reduced while the convenience in positioning and clamping is ensured, and the interference of a tool structure at the welding position of a skin and a framework is avoided. Meanwhile, the rigidity of the whole structure is good, a triangular structure formed by the transverse plate, the vertical plate and the base supports the welding assembly in a high-strength mode, the first curved beam and the fourth beam which are relatively poor in strength and serve as main components of the framework are fixed on the tool body, and the welding deformation of the first curved beam, the fourth beam and the whole framework is greatly controlled. Especially, the lower surface of the first bent beam and the lower end surfaces of the second vertical beam and the third vertical beam which form the lower surface of the framework are used as positioning references to be abutted against the positioning surface of the tool, and the assembly surface precision requirement of the lower surface of the framework is effectively guaranteed. The open space below the base facilitates an operator to enter the framework to perform welding operation between the skin and the framework, greatly improves the working environment of workers, and effectively ensures the quality and efficiency of the welding machine. The framework welding and the skin welding are completed on the same tool, and the whole process does not need to disassemble and turn over products or tools, so that the working efficiency is high. After the welding is finished, the top cover can be integrally and directly hung down from the tool only by loosening each pressure plate assembly.
According to another embodiment of the invention, the upper end surface of the transverse plate is further provided with a first avoiding notch, and one side of the positioning groove is provided with a second avoiding notch. The first notch and the second notch are avoided, so that the tool interference of the welding position of the skin and the framework is reduced on the basis of not reducing the original positioning support, and the welding quality is ensured.
According to another embodiment of the invention, the method further comprises that three support columns are respectively fixed on one side of each vertical plate,
according to another embodiment of the invention, the supporting column further comprises a fixed column and an adjusting column, the fixed column is fixed on the base, the adjusting column is in threaded connection with the fixed column, and a radial through hole is arranged on the side edge of the adjusting column. Through setting up three support post, the mounting box supports stably, and can adjust mounting box height and angle according to the position of both sides crossbeam three and crossbeam four, makes things convenient for welding operation, reduces the welding seam size.
According to another embodiment of the invention, the pressure plate assembly comprises a pressure plate and a locking bolt, and the pressure plate is provided with a kidney-shaped groove and is fixed by the locking bolt.
According to another embodiment of the present invention, further comprising at least one G-shaped caliper. The G-shaped caliper is configured to assist in fixing when the side edges are aligned.
According to another embodiment of the invention, the frame of the base is welded by square steel, and the positioning plane is formed by splicing and welding steel plates. The whole welding forms, guarantees the bulk strength of base.
According to another embodiment of the present invention, further comprising the positioning plane is finished by a cutting machine.
According to another embodiment of the invention, the positioning device further comprises a supporting boss extending from the left and right side surfaces of the positioning plane. Through setting up the support boss, when the skin subassembly of welding the left and right sides, for skin subassembly provides preliminary support, conveniently carry out the outside welding operation of skin.
According to another embodiment of the invention, the left and right side surfaces and the front side surface of the positioning plane are matched with the outer side surface of the first bending beam, the end surface of the front end of the first bending beam abuts against the outer side of the third stop block, the end surface of the rear end of the first bending beam abuts against the front side of the fourth stop block, the outer side surfaces of the rear ends of the left and right bending beams are flush with the left and right side surfaces of the positioning plane, and the front side surface of the front end of the bending beam is flush with the front side surface of the positioning plane.
The invention has the advantages that the positioning, supporting and clamping components are arranged simply, the self-owned geometric characteristics of product parts and the self-weight characteristics of each positioning surface of the positioning component and part of the product components are fully utilized, the accurate positioning, stable supporting and effective clamping of each welding component are ensured, meanwhile, the tool has high strength, the deformation of the welding component is effectively controlled, the welding precision of the assembly plane of the framework is effectively ensured, meanwhile, the welding operation of an operator is facilitated, the framework welding and the skin welding are completed on the same tool, the welding process is simplified, and the welding work efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at X in FIG. 1;
FIG. 3 is an enlarged view at Y in FIG. 1;
FIG. 4 is a schematic view of the structure of the present invention after the welding of the frame is completed;
FIG. 5 is a schematic view of the structure of the skin;
FIG. 6 is a schematic view of the main welded assembly of the frame portion;
FIG. 7 is an enlarged view at Z in FIG. 6;
FIG. 8 is a schematic view of the main welded assembly of the carcass section;
FIG. 9 is a schematic view of the main welded assembly of the carcass section.
In the drawing, a base 1, a positioning plane 101, a support boss 103, a transverse plate 2, a positioning arc surface 202, a first step 203, a second step 204, a positioning groove 205, a first notch 206, a second notch 207, a vertical plate 3, a third step 301, a fourth step 302, a fourth stopper 4, a fifth stopper 5, a pressure plate assembly 6, a pressure plate 601, a support column 7, a fixed column 701, an adjusting column 702, a sloping plate 8, a first stopper 9, a second stopper 10, a third stopper 11, a fifth step 1101, a framework 18, a skin 19, a first crossbeam 21, a second crossbeam 22, a third crossbeam 23, a fourth crossbeam 24, a front side 2401, an inner side 2402, a first curved beam 31, a front end 3101, a rear end 3102, a second curved beam 32, a front end 3201, a rear end 3202, a clamping groove 3203, a third curved beam 33, a front end 3301, a rear end 3302, a fourth curved beam 34, a front end 3401, a rear end 3402, a reinforcing rib 35, a first beam 41, a lower end 4101, an upper end 4202, a vertical beam 4303, a lower end 4103, a vertical beam 4301, a vertical beam 4302, a lower end 4302, a vertical beam 4301, a lower end 4302, an upper end, a lower end 4302, a vertical end 4301, a vertical end 51 and a vertical end of a vertical beam.
Detailed Description
As shown in fig. 1-4, which are schematic structural diagrams of the present invention, a top frame and skin assembly welding tool comprises a base 1, wherein a positioning plane 101 is formed on the upper surface of the base 1, a plurality of pressing plate assemblies 6 for pressing a first bending beam 31 are arranged on the positioning plane 101, a fifth stop block 5 for positioning the second bending beam 32 in the left-right direction and a fourth stop block 4 for positioning the first bending beam 31 in the front-back direction are arranged on the positioning plane 101, two sets of the pressing plate assemblies 6, the fifth stop blocks 5 and the fourth stop blocks 4 are symmetrically arranged on the left side and the right side of the positioning plane 101, a transverse plate 2, a vertical plate 3 and a plurality of supporting columns 7 are symmetrically arranged on the left side and the right side of the positioning plane 101, the transverse plate 2 is fixed on the base 1 in the left-right direction, the vertical plate 3 is fixed on the base 1 in a direction perpendicular to the transverse plate 2, and the supporting columns 7 are located on one side of the vertical plate 3, the rear side surface of the transverse plate 2 is also provided with a plurality of pressing plate assemblies 6, the outer side surface of each pressing plate assembly forms a positioning arc surface 202 matched with the inner side 2402 of the cross beam four 24, the positioning arc surface 202 is provided with a first step 203 and a second step 204 parallel to the positioning plane 101, the upper end surface of the transverse plate 2 is provided with a positioning groove 205 matched with the upper end 4102 of the left vertical beam one 41, the vertical plate 3 is provided with a third step 301 and a fourth step 302 parallel to the positioning plane 101, the front part of the positioning plane 101 is also fixedly provided with an inclined plate 8, the inclined plate 8 and the positioning plane 101 form an included angle, the left side and the right side of the inclined plate 8 are symmetrically provided with a first stop block 9, a second stop block 10 and a third stop block 11, the upper surfaces of the second stop block 10 and the third stop block 11 are parallel to the positioning plane 101, and the upper end of the third stop block 11 is provided with a fifth step 1101.
FIG. 5 is a schematic view of the construction of skin 19, including a plurality of cut, press-formed welded assemblies;
FIGS. 6-9 are schematic diagrams of the primary welded components of the armature 18;
in the invention, a positioning plane 101 formed on the upper surface of a base 1 is used as a main welding supporting and positioning surface, and corresponding welding components are hoisted, assembled, positioned and pressed on a tool in sequence to complete welding operation.
The left-side bent beam 31 is fixed to the left side of the positioning plane 101, and has a front end 3101 with an end surface abutting against the left side surface of the third block 11 and a rear end 3102 with an end surface abutting against the front side surface of the first block 9, and then pressed by the pressing plate assembly 6 on the positioning plane 101.
The cross beam four 24 is fixed above the two cross plates 2, the front side 2401 of the cross beam four abuts against the rear side surfaces of the two cross plates 2, and the inner side 2402 of the cross beam four abuts against the upper end surface and the positioning cambered surface 202 of the cross plate 2 and is pressed tightly by the pressing plate assembly 6 on the cross plate 2. The cross beam four 24 has deformation and can be unfolded and corrected through the positioning surface of the transverse plate 2.
The second left camber beam 32 is assembled and welded in parallel with the first camber beam 31, the lower surface of the second left camber beam abuts against the upper end surfaces of the first stop 9, the third stop 11 and the plurality of reinforcing ribs 35, the right side surface of the rear end 3202 of the second left camber beam abuts against the left side surface of the fifth stop 5, and the rear side surface of the front end 3201 of the second left camber beam abuts against the fifth step 1101 of the third stop 11.
The inner side of the lower end of the third cross beam 23 is respectively abutted against a clamping groove 3203 arranged on the second bent beam 32, the lower end surface of the third cross beam is abutted against the upper surface of the first bent beam 31, and the front side surface of the third cross beam is abutted against the rear side surface of the fourth cross beam 24.
The front side surface of the second cross beam 22 abuts against the end surface of the rear end 3202 of the second curved beam 32, the lower end surface thereof abuts against the upper surface of the first curved beam 31, and the left and right side surfaces thereof are flush with the outer side surface of the first curved beam 31.
The front side surface of the first cross beam 21 is abutted against the rear side surface of the second cross beam 22, the lower end surface of the first cross beam is abutted against the upper surface of the first camber beam 31, and the left side surface and the right side surface of the first cross beam are flush with the outer side surface of the first camber beam 31.
The end surface of the lower end 4201 of the left vertical beam II 42 abuts against the upper surface of the inclined plate 8, the left side surface of the lower end 4201 abuts against the adjacent side surface of the front end 3201 of the bent beam II 32, the upper end surface of the upper end 4202 is flush with the upper surface of the cross beam IV 24, and the left side surface of the upper end 4202 abuts against the inner side surface of the cross plate 2.
The end surface of the lower end 4101 of the left vertical beam 41 abuts against the upper surface of the second bent beam 32, the upper end 4102 thereof is mounted in the positioning groove 205 of the horizontal plate 2, and the end surface of the upper end 4102 thereof abuts against the front side 2401 of the cross beam four 24.
The lower surface of the rear end 3302 of the bent beam three 33 abuts against the first step 203, the end surface of the rear end 3302 abuts against the front side 2401 of the cross beam four 24, the lower surface of the front end 3301 abuts against the third step 301, and the middle part of the bent beam three 33 is inserted into the corresponding clamping groove 4103 arranged on the vertical beam one 41.
The lower surface of the rear end 3402 of the bent beam four 34 is abutted against the second step 204, the end surface of the rear end 3402 is abutted against the inner side 2401 of the cross beam four 24, the lower surface of the front end 3401 thereof is abutted against the fourth step 302, and the middle part of the bent beam four 34 is inserted into the corresponding clamping groove 4103 on the vertical beam one 41.
The bottom surface of the left mounting box 51 abuts the support column 7, the rear side surface thereof abuts the front side 2401 of the cross member four 24, and the left side surface thereof abuts the right side surface of the left vertical member two 42.
The end face of the lower end 4301 of the left vertical beam three 43 abuts against the upper surface of the swash plate 8, the end face of the upper end 4302 abuts against the front side 2401 of the cross beam four 24, the end face of the lower end 4301 abuts against the upper surface of the swash plate 8, and the right side of the lower end 4301 abuts against the left side surface of the first stopper 9.
The assembly positioning operation of the right side welded assembly of the framework 18, symmetrically distributed with respect to the left side welded assembly, is referred to the left side welded assembly. After the main structure of the framework 18 is welded, other small parts can be assembled and welded in sequence, and meanwhile, standard welding auxiliary tools such as G-shaped clamps can be used for clamping, so that the welding operation of the whole framework 18 is completed. The assembly of skin 19 is then tack-welded externally in sequence, and the welding operation of carcass 18 and skin 19 is then carried out from below base 1. After all welding is finished, all the pressing plate assemblies 6 are only required to be loosened, and the whole top cover can be directly hung down from the tool.
Preferably, the upper end surface of the transverse plate 2 is further provided with a first avoiding notch 206, and one side of the positioning groove 205 is provided with a second avoiding notch 207.
Preferably, three support columns 7 are respectively fixed on one side of the vertical plate 3.
Preferably, the supporting column 7 comprises a fixed column 701 and an adjusting column 702, the fixed column 701 is fixed on the base 1, the adjusting column 702 is in threaded connection with the fixed column 701, and a radial through hole is formed in the side edge of the adjusting column 702. The height position of the mounting box 51 between the second vertical beam 42 and the third vertical beam 43 is adjusted through the three support columns 7, so that the upper surface and the front side surface of the mounting box 51 are flush with the adjacent surfaces of the second vertical beam 42 and the third vertical beam 43. The adjusting column 702 is provided with a radial through hole at the side for inserting a steel bar, and the adjusting column 702 is adjusted by rotation to adjust the height.
Preferably, the pressure plate assembly 6 includes a pressure plate 601 and a locking bolt, and a kidney-shaped groove is formed in the pressure plate 601 and fixed by the locking bolt.
Preferably, the device further comprises at least one G-shaped caliper. G shape calliper is common welding auxiliary fixtures, and it uses to do the auxiliary clamp.
Preferably, the frame of the base 1 is formed by welding square steel, and the positioning plane 101 is formed by splicing and welding steel plates.
Preferably, the positioning plane 101 is finished by a cutting machine.
Preferably, the left and right side surfaces and the front side surface of the positioning plane 101 are matched with the outer side surface of the first bent beam 31, the end surface of the front end 3101 of the first bent beam 31 abuts against the outer side of the third block 11, the end surface of the rear end 3102 thereof abuts against the front side of the fourth block 4, the outer side surfaces of the rear ends 3102 of the left and right bent beams 31 are flush with the left and right side surfaces of the positioning plane 101, and the front side surface of the front end 3101 of the first bent beam 31 is flush with the front side surface of the positioning plane 101.
Preferably, the left and right sides of the positioning plane 101 are further extended with supporting bosses 103. When the assemblies of the skins 19 on the left and right sides are welded, primary support is provided for the assemblies of the skins 19, and the external welding operation of the skins 19 is facilitated.
The foregoing description is intended to be illustrative rather than limiting, and it will be understood by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a top cap skeleton and skin assembly welding frock, characterized by, includes base (1), the upper surface of base (1) forms locating plane (101), be equipped with a plurality of clamp plate assembly (6) that are used for compressing tightly camber beam (31) on locating plane (101), be equipped with fifth dog (5) that are used for camber beam two (32) left and right directions location, still be equipped with fourth dog (4) that are used for the fore-and-aft direction location of camber beam (31), clamp plate assembly (6), fifth dog (5) and fourth dog (4) all have two sets ofly, and the left and right sides on locating plane (101) is located to the symmetry, left and right sides on locating plane (101) still symmetry is provided with diaphragm (2), riser (3) and a plurality of support column (7), diaphragm (2) are fixed on base (1) along left and right directions, riser (3) perpendicular to diaphragm (2) direction are fixed on base (1), support column (7) are located one side of riser (3), also be equipped with a plurality of clamp plate assembly (6) on the trailing flank of diaphragm (2), its side forms with four inside parallel crossbeam (202) of step (202) inboard locating plane (202) of step (202) and location, cambered surface (202) parallel cambered surface (202) of cambered surface (202) have been seted up first step (202) in the cambered surface (202) of cambered surface (24) of locating plane (202) of cambered surface (202), and the cambered surface (2) are located The positioning groove (205) matched with the upper end (4102) of the left vertical beam (41) is formed in the upper end face of the transverse plate (2), a third step (301) and a fourth step (302) parallel to the positioning plane (101) are formed in the vertical plate (3), an inclined plate (8) is further fixedly arranged in the front of the positioning plane (101), an included angle is formed between the inclined plate (8) and the positioning plane (101), a first stop block (9), a second stop block (10) and a third stop block (11) are symmetrically arranged on the upper portion of the inclined plate and on the left side and the right side of the inclined plate, the upper portions of the second stop block (10) and the third stop block (11) are parallel to the positioning plane (101), and a fifth step (1101) is arranged at the upper end of the third stop block (11).
2. The assembly welding tool for the top cover framework and the skin is characterized in that an avoiding first notch (206) is further formed in the upper end face of the transverse plate (2), and an avoiding second notch (207) is formed in one side of the positioning groove (205).
3. The assembly welding tool for the top cover framework and the skin according to claim 1, characterized in that three supporting columns (7) are respectively fixed on one side of each vertical plate (3).
4. The assembly welding tool for the top cover framework and the skin as claimed in claim 1, wherein the supporting column (7) comprises a fixed column (701) and an adjusting column (702), the fixed column (701) is fixed on the base (1), the adjusting column (702) is in threaded connection with the fixed column (701), and a radial through hole is formed in the side edge of the adjusting column (702).
5. The assembly welding tool for the top cover framework and the skin is characterized in that the pressure plate assembly (6) comprises a pressure plate (601) and a locking bolt, and a kidney-shaped groove is formed in the pressure plate (601) and is fixed through the locking bolt.
6. The assembly welding tool for the top cover framework and the skin according to claim 1, further comprising at least one G-shaped caliper.
7. The assembly welding tool for the top cover framework and the skin is characterized in that the framework of the base (1) is formed by welding square steel, and the positioning plane (101) is formed by splicing and welding steel plates.
8. The assembly welding tool for the top cover framework and the skin as claimed in claim 1, wherein the positioning plane (101) is formed by finish machining through a cutting machine tool.
9. The assembly welding tool for the top cover framework and the covering according to claim 1, wherein the left side surface, the right side surface and the front side surface of the positioning plane (101) are matched with the outer side surface of the first curved beam (31), the end surface of the front end (3101) of the first curved beam (31) is abutted against the outer side of the third block (11), the end surface of the rear end (3102) is abutted against the front side of the fourth block (4), the outer side surfaces of the rear ends (3102) of the left and right first curved beams (31) are flush with the left side surface and the right side surface of the positioning plane (101), and the front side surface of the front end (3101) of the first curved beam (31) is flush with the front side surface of the positioning plane (101).
10. The assembly welding tool for the top cover framework and the skin is characterized in that supporting bosses (103) are further extended from the left side surface and the right side surface of the positioning plane (101).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110730856.4A CN113399881B (en) | 2021-06-30 | 2021-06-30 | Top cover framework and skin assembly welding tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730856.4A CN113399881B (en) | 2021-06-30 | 2021-06-30 | Top cover framework and skin assembly welding tool |
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| CN113399881A CN113399881A (en) | 2021-09-17 |
| CN113399881B true CN113399881B (en) | 2022-12-02 |
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| CN114633059B (en) * | 2022-02-14 | 2023-10-13 | 常州市武进华联电控设备股份有限公司 | Cabinet frame welding fixture for robot automatic welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3753648B2 (en) * | 2001-11-01 | 2006-03-08 | 株式会社日立製作所 | Method for manufacturing curved structure |
| CN201214177Y (en) * | 2008-07-08 | 2009-04-01 | 中国北车集团大同电力机车有限责任公司 | Control cab assembly welding jigs |
| CN201291868Y (en) * | 2008-11-08 | 2009-08-19 | 永济新时速电机电器有限责任公司 | Railcar operator's cab |
| CN103158727B (en) * | 2011-12-14 | 2016-03-02 | 青岛四方庞巴迪铁路运输设备有限公司 | High-speed railway vehicle cab shell and processing method thereof |
| CN104384740B (en) * | 2014-11-17 | 2016-06-01 | 长春轨道客车股份有限公司 | EMUs drivers' cab constructed of aluminium roof assembly-welding processing method |
| CN205393884U (en) * | 2016-02-29 | 2016-07-27 | 陕西重型汽车有限公司 | Driver's cabin welding module frock |
| CN210212383U (en) * | 2019-07-22 | 2020-03-31 | 青岛四机工业有限公司 | Mounting structure of rail vehicle cab framework and vehicle body |
| CN110682045A (en) * | 2019-10-30 | 2020-01-14 | 天津中车唐车轨道车辆有限公司 | Assembly welding tool for unit framework |
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