CN220636763U - Rail train chassis welding fixture - Google Patents
Rail train chassis welding fixture Download PDFInfo
- Publication number
- CN220636763U CN220636763U CN202321399544.0U CN202321399544U CN220636763U CN 220636763 U CN220636763 U CN 220636763U CN 202321399544 U CN202321399544 U CN 202321399544U CN 220636763 U CN220636763 U CN 220636763U
- Authority
- CN
- China
- Prior art keywords
- foundation
- seat
- sleeper
- underframe
- welding fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 241001669679 Eleotris Species 0.000 claims abstract description 41
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 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
- 230000008569 process Effects 0.000 description 1
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model relates to a rail train underframe welding tool which comprises a foundation I-beam and a small foundation beam arranged in the foundation I-beam, wherein a foundation beam is arranged between the two foundation I-beams, a sleeper beam is arranged at one end of the small foundation beam far away from a foundation I Liang Duankou, a plurality of side beam pressing and positioning devices are arranged on the foundation I-beam at intervals, and a sleeper beam supporting and positioning device is arranged on the foundation I-beam close to the sleeper beam; the side beam pressing positioning device is arranged on the foundation beam, and a side beam positioning reference column is arranged on the foundation I-beam near the foundation beam; an end piece support block is arranged on the small foundation beam. The welding tool disclosed by the utility model can enable the longitudinal and transverse dimensions of the whole workpiece of the underframe to be adjustable, reduce the damage rate of the mechanical pressing arm, meet the reverse deformation precision of the workpiece and realize the function of automatic welding.
Description
Technical Field
The utility model relates to the technical field of rail vehicle manufacturing, in particular to a rail train underframe welding tool.
Background
In the manufacturing process of the rail train, the train underframe is required to be assembled through welding, the front side and the back side of the underframe are required to be assembled and welded, and good welding accessibility of welding seams at different positions of the front side and the back side of the underframe is ensured. The existing chassis welding fixture is shown in fig. 1, and the existing chassis welding fixture has the following problems:
1. after the base seat of the underframe assembly welding tool is used for a long time, the middle sleeve is worn, the base seat is shifted after the tightening press arm is stressed, so that the phenomenon of large outer width and small inner width during side beam assembly is caused, and the dimension positioning is inaccurate.
2. The upper pressing arm, the outer wide draw hook and the inner wide draw hook are screwed up by adopting a mechanical screw structural formula, the screw is easy to wear, the design of the outer wide draw hook is unreasonable, the tension condition that the screw and the nut rotate together in the tensioning process can not be generated, and the problem that the mechanical pressing arm is easy to damage exists.
3. The welding fixture can only weld the underframe with one size, and has no adjustable adaptability to the underframe with different train models.
Based on this, the existing chassis tooling cannot meet the actual production requirement, and improvement of the technical defects is needed.
Disclosure of Invention
The utility model provides a rail train underframe welding tool which can enable the longitudinal and transverse dimensions of an overall workpiece of an underframe to be adjustable, meet the reverse deformation precision of the workpiece and realize the function of automatic welding. In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the welding fixture for the underframe of the railway train comprises a foundation I-beam and a small foundation beam arranged in the foundation I-beam, wherein a foundation beam is arranged between the two foundation I-beams in a connecting way, a sleeper beam is arranged at one end of the small foundation beam far away from a foundation I Liang Duankou, a plurality of side beam pressing and positioning devices are arranged on the foundation I-beam at intervals, and a sleeper beam supporting and positioning device is arranged on the foundation I-beam close to the sleeper beam; the side beam pressing positioning device is arranged on the foundation beam, and a side beam positioning reference column is arranged on the foundation I-beam near the foundation beam; an end piece support block is arranged on the small foundation beam.
Preferably, a bumper beam is vertically disposed between the two small foundation beams, and an end piece positioner is disposed on the foundation beam adjacent to the bolster.
Preferably, a plurality of inner wide stay bars are arranged in the sleeper beam and the foundation I-beam, a first stay bar of the buffer beam is arranged on the foundation beam close to the sleeper beam, traction Liang Chenggan is transversely arranged at the other end of the first stay bar of the buffer beam, an end beam stay bar is arranged between the two first stay bars of the buffer beam, and a second stay bar of the buffer beam is longitudinally arranged on the end beam stay bar.
Preferably, the side beam compacting and positioning device comprises a mounting plate, a supporting and positioning seat, a side beam upper tensioning seat, a side beam lower tensioning seat and a compacting seat, wherein the supporting and positioning seat is movably arranged at the upper end of the mounting plate, one side of the supporting and positioning seat is fixedly provided with the compacting seat, the other side of the compacting seat is fixedly provided with the side beam lower tensioning seat, and the upper end of one side of the side beam lower tensioning seat is fixedly provided with the side beam upper tensioning seat.
Preferably, the sleeper beam supporting and positioning device comprises a transition bottom plate, a supporting plate and a sleeper beam lower part jacking seat, wherein the supporting plate and the sleeper beam lower part jacking seat are fixedly arranged on the transition bottom plate side by side, and a side beam upper part jacking seat is arranged on the supporting plate.
Preferably, a side beam cable-stayed mechanism is arranged on one side of the side beam compressing and positioning device.
Preferably, the side beam upper tensioning seat and the side beam lower tensioning seat are hydraulic mechanisms.
Preferably, the tightening seat at the lower part of the sleeper beam is a hydraulic mechanism.
In summary, the utility model adopts the technical scheme, and has the following technical effects:
1. the transverse and longitudinal positions of the underframe workpiece are adjusted through the opposite side Liang Yajin positioning device, the sleeper beam supporting and positioning device and the side beam longitudinal adjusting plate, the probability of stressed displacement of the reference seat is reduced, the outer width of the side beam is adjusted through the side beam compacting and positioning device, the inner width is adjusted through the sleeper beam supporting and positioning device, and the outer width dimensions required by the adjustment of the side beam upper tensioning seat and the side beam lower tensioning seat are combined, so that the positioning precision of the underframe workpiece is accurate.
2. According to the welding tool, the upper tensioning seat of the side beam, the lower tensioning seat of the side beam and the lower jacking seat of the sleeper beam are arranged as hydraulic mechanisms, so that the use amount of a mechanical screw is reduced, and the problems of improving the clamping efficiency and improving the abrasion and damage of the mechanical screw are solved.
3. According to the utility model, the end part supporting blocks and the sleeper beams are arranged on the small foundation beams to position the inner width and the outer width in the same direction, namely, one side beam is positioned outside, and the other side beam is positioned inside, so that the inner width and the outer width of the underframe can be controlled, the underframe with different sizes can be adaptively adjusted, and the underframe with different train models can be welded.
Drawings
FIG. 1 is a schematic diagram of a prior art chassis welding tooling datum seat;
FIG. 2 is a top view of the welding tool of the present utility model;
FIG. 3 is a top view of the welding tool of the present utility model;
FIG. 4 is a schematic view of the structure of the side sill compression positioning apparatus of the present utility model;
fig. 5 is a schematic structural view of the bolster supporting and positioning device of the present utility model.
In the drawing, a foundation I-beam 1, a sleeper beam supporting and positioning device 2, a transition bottom plate 21, a supporting plate 22, a sleeper beam lower jacking seat 23, a sleeper beam upper jacking seat 24, a small foundation beam 3, a foundation beam 4, a sleeper beam compacting and positioning device 5, a mounting plate 51, a supporting and positioning seat 52, a sleeper beam upper tensioning seat 53, a sleeper beam lower tensioning seat 54, a compacting seat 55, a sleeper beam 6, an end piece supporting block 7, a sleeper beam longitudinal adjusting plate 8, a sleeper beam positioning reference column 9, an end piece positioner 10, a buffer beam 11, an inner wide brace 12, a buffer beam first brace 13, an end beam brace 14, a traction Liang Chenggan, a buffer beam second brace 16 and a side beam cable-stayed mechanism 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.
Example 1
As shown in fig. 2-5, the welding fixture for the underframe of the railway train comprises a foundation I-beam 1 and a small foundation beam 3 arranged in the foundation I-beam 1, wherein a foundation cross beam 4 is arranged between the two foundation I-beams 1, a sleeper beam 6 is arranged at one end, far away from the port of the foundation I-beam 1, of the small foundation beam 3, a plurality of side beam pressing and positioning devices 5 are arranged on the foundation I-beam 1 at intervals, and a sleeper beam supporting and positioning device 2 is arranged on the foundation I-beam 1 close to the sleeper beam 6; the side beam longitudinal adjusting plate 8 is arranged on the base beam 4, and the side beam positioning reference column 9 is arranged on the side beam pressing and positioning device 5 and the base I-beam 1 near the base beam 4; on the small foundation beam 3 there are mounted end piece support blocks 7.
Referring to fig. 2-3, a bumper beam 11 is vertically disposed between two small foundation beams 3, an end part positioner 10 is disposed on a foundation beam 4 near a sleeper beam 6, and a side beam cable-stayed mechanism 17 is disposed on one side of a side beam compressing and positioning device 5.
Referring to fig. 3, a plurality of inner wide struts 12 are provided in the bolster 6 and the foundation i-beam 1, a bumper beam first strut 13 is provided on the foundation beam 4 near the bolster 6, a traction Liang Chenggan is provided laterally at the other end of the bumper beam first strut 13, an end beam strut 14 is provided between the two bumper beam first struts 13, and a bumper beam second strut 16 is provided longitudinally of the end beam strut 14.
Referring to fig. 4, the side beam compressing and positioning device 5 includes a mounting plate 51, a supporting and positioning seat 52, a side beam upper tightening seat 53, a side beam lower tightening seat 54 and a compressing seat 55, the supporting and positioning seat 52 is movably disposed at the upper end of the mounting plate 51, the compressing seat 55 is fixedly disposed at one side of the supporting and positioning seat 52, the side beam lower tightening seat 54 is fixedly disposed at the other side of the compressing seat 55, the side beam upper tightening seat 53 is fixedly disposed at the upper end of one side of the side beam lower tightening seat 54, and the side beam upper tightening seat 53 and the side beam lower tightening seat 54 are disposed as hydraulic mechanisms, so that the outer width and the inner width of the side beam are adjusted by a hydraulic rod, thereby adjusting the welding width of the chassis.
Referring to fig. 5, the bolster supporting and positioning device 2 includes a transition bottom plate 21, a support plate 22 and a bolster lower tightening seat 23, the support plate 22 and the bolster lower tightening seat 23 are fixedly arranged on the transition bottom plate 21 side by side, and a side beam upper tightening seat 24 is arranged on the support plate 22.
The welding tool reduces middle sleeve parts, reduces abrasion of the middle sleeve, reduces the probability of displacement of the datum seat through the construction of the side beam compressing and positioning device and the sleeper beam supporting and positioning device, can adjust the side beams and the sleeper beams, ensures that the dimension is more accurate, reduces deformation of the stay bars and the pull bars, reduces the time of manual labor, improves the production efficiency, has high welding efficiency, improves the productivity of a train underframe, and can be widely used.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The welding fixture for the underframe of the railway train comprises a foundation I-beam (1) and a small foundation beam (3) arranged in the foundation I-beam (1), wherein a foundation beam (4) is arranged between the two foundation I-beams (1) in a connecting mode, a sleeper beam (6) is arranged at one end, far away from a port of the foundation I-beam (1), of the small foundation beam (3), and the welding fixture is characterized in that a plurality of side beam pressing and positioning devices (5) are arranged on the foundation I-beam (1) at intervals, and a sleeper beam supporting and positioning device (2) is arranged on the foundation I-beam (1) close to the sleeper beam (6); a side beam longitudinal adjusting plate (8) is arranged on the base cross beam (4), and a side beam positioning reference column (9) is arranged on the side beam pressing and positioning device (5) and the base I-beam (1) nearby the base cross beam (4); an end piece support block (7) is arranged on the small foundation beam (3).
2. Rail train underframe welding fixture according to claim 1, characterized in that a bumper beam (11) is arranged vertically between two small foundation beams (3), and an end piece positioner (10) is arranged on the foundation beam (4) close to the sleeper beam (6).
3. Railway train underframe welding fixture according to claim 1 or 2, characterized in that a number of inner wide struts (12) are arranged in the sleeper beam (6) and the foundation i-beam (1), a first bumper beam strut (13) is arranged on the foundation cross beam (4) close to the sleeper beam (6), a traction Liang Chenggan (15) is transversely arranged at the other end of the first bumper beam strut (13), an end beam strut (14) is arranged between the two first bumper beam struts (13), and a second bumper beam strut (16) is arranged longitudinally on the end beam strut (14).
4. The welding fixture for the underframe of the railway train according to claim 1, wherein the side beam pressing and positioning device (5) comprises a mounting plate (51), a supporting and positioning seat (52), a side beam upper tensioning seat (53), a side beam lower tensioning seat (54) and a pressing seat (55), wherein the supporting and positioning seat (52) is movably arranged at the upper end of the mounting plate (51), the pressing seat (55) is fixedly arranged at one side of the supporting and positioning seat (52), the side beam lower tensioning seat (54) is fixedly arranged at the other side of the pressing seat (55), and the side beam upper tensioning seat (53) is fixedly arranged at the upper end of one side of the side beam lower tensioning seat (54).
5. The welding fixture for the underframe of the railway train according to claim 1, wherein the sleeper beam supporting and positioning device (2) comprises a transition bottom plate (21), a supporting plate (22) and a sleeper beam lower jacking seat (23), the supporting plate (22) and the sleeper beam lower jacking seat (23) are fixedly arranged on the transition bottom plate (21) side by side, and a side beam upper jacking seat (24) is arranged on the supporting plate (22).
6. The welding fixture for the underframe of the railway train according to claim 1 is characterized in that a side beam inclined pulling mechanism (17) is arranged on one side of the side beam pressing and positioning device (5).
7. The welding fixture for the underframe of the railway train according to claim 4, wherein the upper tensioning seat (53) of the side beam and the lower tensioning seat (54) of the side beam are hydraulic mechanisms.
8. The welding fixture for the underframe of the railway train as claimed in claim 5, wherein the tightening seat (23) at the lower part of the sleeper beam is a hydraulic mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321399544.0U CN220636763U (en) | 2023-06-02 | 2023-06-02 | Rail train chassis welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321399544.0U CN220636763U (en) | 2023-06-02 | 2023-06-02 | Rail train chassis welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220636763U true CN220636763U (en) | 2024-03-22 |
Family
ID=90294147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321399544.0U Active CN220636763U (en) | 2023-06-02 | 2023-06-02 | Rail train chassis welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220636763U (en) |
-
2023
- 2023-06-02 CN CN202321399544.0U patent/CN220636763U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206200431U (en) | A kind of car side wall frame welding tooling | |
| CN220636763U (en) | Rail train chassis welding fixture | |
| CN111659762A (en) | Switch backing plate postweld leveling press | |
| CN106270282B (en) | A kind of body for mass transit vehicles amount of deflection presetter device and its method | |
| CN201486156U (en) | Accurate adjustment device for adjusting gap between large-sized steel members | |
| CN211248766U (en) | APM chassis friction stir welding frock | |
| CN209755135U (en) | Crawler tractor frame assembly table | |
| CN103128537B (en) | Vehicle body of railway vehicle assembling flexible technology device | |
| CN112355539A (en) | Assembling tool and assembling and welding system for bogie frame | |
| CN203751580U (en) | Welding assisting fixture for side frame of railway vehicle bogie | |
| CN114799676A (en) | Automobile boom standard section assembling and welding precise positioning tool and assembling and forming method thereof | |
| CN212294193U (en) | Medium-low speed magnetic levitation track panel assembling platform | |
| CN211331996U (en) | Molten tin bath bottom plate steel constructs frame welding frock | |
| CN111702481A (en) | Traction beam assembling device and method | |
| CN221065014U (en) | Side wall flexible automatic welding tool | |
| CN207548006U (en) | The end underframe welder of Subway Body | |
| CN110773934A (en) | Welding tool for front and back assembly of car roof | |
| CN218927156U (en) | Quick centering equipment | |
| CN218192757U (en) | Flange face milling device for rear girder on shore bridge | |
| CN211990622U (en) | Bending angle positioning device for iron pipe of vehicle body frame | |
| CN213826490U (en) | Four-column hydraulic shape correcting machine | |
| CN219293165U (en) | Welding set of freight train end wall reverse deformation | |
| CN219900731U (en) | Workbench for welding reinforcing steel bar meshes | |
| CN212823833U (en) | Draw beam assembly device | |
| CN212599997U (en) | Automatic welding frame for roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |