CN112756888A - Welding deformation control device for corner post assembly of railway wagon - Google Patents
Welding deformation control device for corner post assembly of railway wagon Download PDFInfo
- Publication number
- CN112756888A CN112756888A CN202110057738.1A CN202110057738A CN112756888A CN 112756888 A CN112756888 A CN 112756888A CN 202110057738 A CN202110057738 A CN 202110057738A CN 112756888 A CN112756888 A CN 112756888A
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- Prior art keywords
- overturning
- positioning
- corner post
- clamp
- pressing
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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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
Abstract
The invention discloses a welding deformation control device for a corner post assembly of a railway wagon. The device comprises a workbench, wherein the middle part of the workbench is provided with a middle overturning and positioning mechanism, and two ends of the workbench are respectively provided with a group of end overturning and positioning mechanisms and a group of oil cylinder pressing mechanisms; the middle turning positioning mechanism and the two groups of end turning positioning mechanisms have the same turning positioning components, and each turning positioning component is connected in a follow-up manner through a turning horizontal substrate arranged along the length direction of the workbench; the overturning positioning components are all arranged on an overturning horizontal base plate through a deflection insert, and a plurality of groups of spring type conveying rollers are arranged on the overturning horizontal base plate at intervals. The device can perform prefabricated deflection reversible deformation on the welding part in advance, and counteract the deformation stress of the part in the welding process; the turnover device, the deflection insert and the spring type conveying roller are arranged, so that the labor intensity in conveying can be reduced, the automatic prefabricated deflection counter-deformation can be realized, the system fusion groups form a combined integrated structure on the workbench, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment design, particularly belongs to the technical field of railway vehicle component machining equipment design, and relates to a welding deformation control device for a corner post assembly of a railway wagon.
Background
The corner post component is one of important parts in wagon models of railway wagons and comprises a corner post with a rectangular cross section and a corner post plate welded integrally along one side part of square steel. The corner post component can generate welding side bending deformation of 6-10mm in the front and side directions along the length direction in the manufacturing, assembling and welding processes, and the corner post side bending deformation needs to be straightened on special straightening equipment. Under the influence of straightener equipment, the deformation in two directions cannot be straightened simultaneously at present; the processing procedure is complicated, the tamping times are many, the labor intensity is high, the labor hour is high, and the product quality is unstable.
Disclosure of Invention
The invention discloses a welding deformation control device for a corner post assembly of a railway wagon according to the defects of the prior art. The invention aims to solve the problem of providing an automatic welding semi-overturning device without adjustment for corner post assembly, which realizes the integration of assembly and welding, enables the machined corner post assembly to have no welding side bending deformation, realizes the cancellation of an adjustment process and improves the production efficiency.
The invention is realized by the following technical scheme:
welding deformation controlling means is constituteed to railway freight car corner post, includes a steel construction, constitutes the workstation that length direction arranged along the corner post, its characterized in that: the middle part of the workbench is provided with a middle overturning positioning mechanism, and two ends of the workbench are respectively provided with a group of end overturning positioning mechanisms and a group of oil cylinder pressing mechanisms; the middle turning positioning mechanism and the two groups of end turning positioning mechanisms have the same turning positioning components, and each turning positioning component is connected in a follow-up manner through a turning horizontal substrate arranged along the length direction of the workbench;
the end overturning and positioning mechanism is an active overturning mechanism, and an overturning oil cylinder drives an overturning horizontal substrate to rotate; the middle overturning positioning mechanism is a driven overturning mechanism and is driven to rotate by an overturning horizontal substrate;
the oil cylinder pressing mechanism comprises a pressing oil cylinder which is hung on a half gantry cantilever beam at the rear part of the workbench and is used for driving a pressing head to extend out to combine and fix the corner columns in a welding way under the driving of the pressing oil cylinder;
each upset location is constituteed and is all arranged in upset horizontal base plate through the amount of deflection insert, and the upset location is constituteed and is included: the positioning module is provided with an angle column positioning groove and an angle column plate positioning groove, and the pressing fixture is used for pressing the angle column to form a welding combination; the deflection insert is fixed on the turnover horizontal base plate, the positioning module is fixed on one side of the deflection insert, and the pressing clamp is fixed on the upper end face of the positioning module;
and a plurality of groups of spring type conveying rollers are arranged on the turnover horizontal substrate at intervals.
Furthermore, the corner post positioning groove of the positioning module is a side limiting groove and is used for abutting and positioning the corner post assembly; the corner post plate positioning groove of the positioning module is a groove with a certain depth and arranged according to the welding positioning of the corner post plate, the width of the groove is larger than the thickness of the corner post plate, and the bottom surface of the groove and the upper surface of the corner post which is positioned by abutting are positioned on the same plane.
The pressing clamp is of a four-link lever structure with a motion dead point and comprises a clamp pressing head, a clamp pressing arm, a clamp lower link, a handle and a clamp upper link; the clamp pressure head is fixed on the clamp pressure arm, the clamp pressure arm is provided with two rotating centers, one rotating center is hinged on the positioning module, the other rotating center is hinged with the clamp upper connecting rod, the other end of the clamp upper connecting rod is hinged with the clamp lower connecting rod and is in driving connection with the handle, and the other end of the clamp lower connecting rod is hinged on the positioning module.
Each group of spring type transportation rollers consists of an extension spring, a sliding spring seat and a roller, wherein an inclined sliding groove is arranged in the sliding spring seat, and two ends of the roller can slide along the sliding groove; when the extension spring is in a free state, the height of the roller is consistent with the highest point of the deflection insert and is used for transportation in the feeding process; after the compression, the roller slides to the bottom along the chute, and forms integral deflection with the deflection insert to realize the anti-deformation compression of the corner column.
The overturning and positioning assembly of the middle overturning and positioning mechanism is fixedly connected with the overturning and supporting arm in a supporting way through an overturning horizontal base plate, the overturning and supporting arm is hinged with a fixed support arranged on the working table, and the front end face of the fixed support is provided with an overturning and positioning assembly rotating cambered surface.
The overturning and positioning component of the end overturning and positioning mechanism is fixedly connected with the overturning support arm in a supporting way through an overturning horizontal base plate, the overturning support arm is hinged with an overturning support seat arranged on the working table surface, meanwhile, the overturning support arm is also in driving connection with an overturning driving arm, and the other end of the overturning driving arm is in driving connection with an overturning oil cylinder arranged under the working table.
Two groups of overturning supporting arms are arranged below the end overturning horizontal substrate of each group of end overturning positioning mechanisms and hinged with an overturning support arranged on the working table, a rotating connecting rod is in driving connection between the rotating centers of the two groups of overturning supporting arms, and the middle part of the rotating connecting rod is in driving connection with an overturning driving arm in a rotating way.
The spring type conveying rollers are at least provided with two groups on the overturning horizontal base plate and are positioned on two sides of the middle overturning positioning mechanism.
The front end of the workbench is provided with a discharging roller for the corner post to move.
The deflection insert and the spring type conveying roller form integral arc-shaped deflection along the length direction of the corner post assembly, wherein the highest point of the deflection insert deflection of the middle overturning positioning mechanism is located at the center of the length direction of the corner post assembly and is sequentially reduced from the middle to two sides.
The invention has the following beneficial effects: the invention solves the problem of large welding deformation of long welding seams formed by combining similar shaped steel plates in the railway wagon industry, and the deformation stress of the welding parts in the welding process is counteracted by prefabricating deflection deformation in advance for the welding parts. Meanwhile, the semi-turnover device and the spring type conveying roller are designed and invented, so that the labor intensity of components in the conveying process is reduced; and the assembly of the fusion part is integrated with the welding station, so that the working efficiency is improved. When the deformation of similar parts is solved, the working efficiency is comprehensively improved, the labor intensity is reduced, the whole structure of the device is simple, the processing and the operation are convenient, and the device has good reproducibility and popularization.
Drawings
FIG. 1 is a schematic diagram of the front structure of the device of the present invention;
FIG. 2 is a schematic side view of the middle turning positioning mechanism of the apparatus of the present invention;
FIG. 3 is a schematic side view of the flip-flop positioning assembly of the present invention;
FIG. 4 is a schematic side view of the end turn-over positioning mechanism of the apparatus of the present invention;
FIG. 5 is a schematic view of a part of the structure of the end turning positioning mechanism of the device of the present invention;
FIG. 6 is a schematic side-view illustration of the end-turn positioning mechanism of the apparatus of the present invention;
FIG. 7 is a schematic view of a spring-loaded transport drum of the present invention;
FIG. 8 is a front view of the spring-loaded transport roller of the present invention;
fig. 9 is a cross-section of the spring-loaded transport drum of the present invention, i.e., cross-section AA in fig. 8.
In the figure, 1 is a middle overturning positioning mechanism, 2 is an end overturning positioning mechanism, 3 is a cylinder pressing mechanism, 4 is an overturning horizontal base plate, 5 is a fixed horizontal table top, 6 is a workbench, 7 is a pressing fixture, 8 is an overturning supporting arm, 9 is a positioning module, 10 is a discharging roller, 11 is a fixed support, 12 is a deflection insert, 13 is a spring type transportation roller, 21 is an overturning oil cylinder, 22 is an overturning driving arm, 23 is an overturning support, 31 is a pressing oil cylinder, 32 is a pressing head, 33 is a half gantry cantilever beam, 71 is a fixture pressing head, 72 is a fixture pressing arm, 73 is a fixture lower connecting rod, 74 is a handle, 75 is a fixture upper connecting rod, 91 is an angle column positioning groove, 92 is an angle column plate positioning groove, 131 is a sliding spring seat, 132 is a roller, 133 is a tension spring fixing pin, 134 is a tension spring, 135 is a chute, A is an angle column, and B is an angle column plate.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
As shown in fig. 1, the welding deformation control device for the corner post assembly of the railway wagon comprises a steel structure and a workbench 6 arranged along the length direction of the corner post assembly, wherein a middle overturning and positioning mechanism 1 is arranged in the middle of the workbench 6, and a group of end overturning and positioning mechanisms 2 and a group of oil cylinder pressing mechanisms 3 are respectively arranged at two ends of the workbench 6; the middle turning positioning mechanism 1 and the two groups of end turning positioning mechanisms 2 have the same turning positioning components, and each turning positioning component is connected in a follow-up manner through a turning horizontal substrate 4 arranged along the length direction of the workbench 6;
the end overturning positioning mechanism 2 is an active overturning mechanism, and an overturning oil cylinder 21 drives the overturning horizontal substrate 4 to rotate; the middle overturning positioning mechanism 1 is a driven overturning mechanism and is driven to rotate by an overturning horizontal substrate 4;
the oil cylinder pressing mechanism 3 comprises a pressing oil cylinder 31 which is hung on a half gantry cantilever beam 33 at the rear part of the workbench 6 and is used for driving a pressing head 32 to extend out to weld, combine and fix corner post components under the driving of the pressing oil cylinder 31;
as shown in fig. 3, each of the flip positioning assemblies is disposed on the flip horizontal substrate 4 through the deflection insert 12, and the flip positioning assembly includes: the positioning module 9 is provided with an angle column positioning groove 91 and an angle column plate positioning groove 92, and the pressing clamp 7 is used for pressing the angle columns to form a welding combination; the deflection insert 12 is fixed on the turnover horizontal base plate 4, the positioning module 9 is fixed on one side of the deflection insert 12, and the pressing clamp 7 is fixed on the upper end face of the positioning module 9;
a plurality of groups of spring type conveying rollers 13 are arranged on the overturning horizontal base plate 4 at intervals.
As shown in fig. 3, the corner post positioning groove 91 of the positioning module 9 is a side surface limiting groove for abutting and positioning the corner post assembly; the corner post plate positioning groove 92 of the positioning module 9 is a groove with a certain depth and arranged according to the welding positioning of the corner post plate, the width of the groove is larger than the thickness of the corner post plate B, and the bottom surface of the groove and the upper surface of the corner post a which is tightly abutted and positioned are positioned on the same plane.
As shown in fig. 3, the pressing jig 7 is a four-link lever structure with a movement dead point, and is composed of a jig pressure head 71, a jig pressure arm 72, a jig lower link 73, a handle 74 and a jig upper link 75; the clamp pressure head 71 is fixed on a clamp pressure arm 72, the clamp pressure arm 72 is provided with two rotating centers, one rotating center is hinged on the positioning module 9, the other rotating center is hinged with a clamp upper connecting rod 75, the other end of the clamp upper connecting rod 75 is hinged with a clamp lower connecting rod 73 and is in driving connection with a handle 74, and the other end of the clamp lower connecting rod 73 is hinged on the positioning module 9.
As shown in fig. 7, 8 and 9, each set of spring-loaded transport rollers 13 is composed of an extension spring 134, a sliding spring seat 131 and a roller 132, wherein an inclined chute 135 is arranged in the sliding spring seat 131, and two ends of the roller 132 can slide along the chute 135; when the extension spring 134 is in a free state, the height of the roller 132 is consistent with the highest point of the deflection insert 12, and the roller is used for transportation in the feeding process; after the compression, the roller 132 slides to the bottom along the chute 135, and forms an integral deflection with the deflection insert 12 to realize the predeformation compression of the corner post.
As shown in fig. 2, the turning positioning component of the middle turning positioning mechanism 1 is supported, connected and fixed with a turning supporting arm 8 through a turning horizontal substrate 4, the turning supporting arm 8 is hinged with a fixed support 11 arranged on the surface of a worktable 6, and the front end surface of the fixed support 11 is provided with a turning positioning component rotating arc surface.
As shown in fig. 5 and 6, the turning positioning component of the end turning positioning mechanism 2 is supported, connected and fixed with the turning supporting arm 8 through the turning horizontal substrate 4, the turning supporting arm 8 is hinged with the turning support 23 arranged on the surface of the workbench 6, meanwhile, the turning supporting arm 8 is also in driving connection with the turning driving arm 22, and the other end of the turning driving arm 22 is in driving connection with the turning oil cylinder 21 arranged under the workbench 6.
Two groups of overturning supporting arms 8 are arranged below the end overturning horizontal substrate 4 of each group of end overturning positioning mechanisms 2 and hinged with an overturning support 23 arranged on the surface of the workbench 6, a rotating link rod is in driving connection between the rotating centers of the two groups of overturning supporting arms 8, and the middle part of the rotating link rod is in driving hinge connection with an overturning driving arm 22.
The spring type conveying rollers 13 are at least provided with two groups on the overturning horizontal base plate 4 and are positioned at two sides of the middle overturning positioning mechanism.
The front end of the working platform 6 is provided with a discharging roller 10 for the corner post to move.
The deflection insert 12 and the matched spring type conveying roller 13 form an integral arc-shaped deflection along the length direction of the corner post assembly, and the highest point of the deflection is positioned at the center of the length direction of the corner post assembly and is sequentially reduced from the middle to two sides. The spring type conveying roller 13 consists of an extension spring 134, a sliding spring seat 131 and a roller 132, and when the extension spring 134 is in a free state, the height of the roller 132 is consistent with the highest point of the deflection insert 12, so that the roller 132 plays a role in conveying in the feeding process of an operator; after the compression, the roller 132 slides to the bottom along the sliding groove 135 of the sliding spring seat 131 to form an integral deflection with the deflection insert 12, and the corner post is subjected to the reversible deformation compression.
In practical application, an operator respectively conveys a corner post A and a corner post plate B from the conveying roller 10 to the platform of the device, and the corner post A is close to a corner post positioning groove 91 and the corner post plate B is close to a corner post plate positioning groove 92; clamping the paired corner post assemblies by using a pressing clamp 7; starting an oil cylinder pressing mechanism 3, pressing two ends of a diagonal column assembly, and prefabricating the anti-deformation deflection; then, an operator uses a welding gun to fix the broken welding points of the corner post assembly; after the oil cylinder pressing mechanism 3 is lifted, a front welding seam is formed by diagonal columns of an automatic welding trolley for welding; after welding is finished, the overturning oil cylinder 21 is started, so that the corner post assembly, the overturning supporting arm 8 and the pressing clamp 7 are overturned to 90 degrees together, and the corner post assembly is positioned above the discharging roller 10; an operator pulls the handle 74, lifts the clamp pressure head 71, lightly drops the corner post assembly to the discharging roller 10, turns the corner post assembly by 90 degrees and then transmits the corner post assembly to a corner post assembly reverse side welding station to complete reverse side welding; and finally, polishing the smoke dust and splash in the welding process to be clean, and storing the finished product.
Claims (10)
1. The utility model provides a railway freight car corner post constitutes welding deformation controlling means, includes a steel construction, constitutes the workstation that length direction arranged along the corner post, its characterized in that: the middle part of the workbench is provided with a middle overturning positioning mechanism, and two ends of the workbench are respectively provided with a group of end overturning positioning mechanisms and a group of oil cylinder pressing mechanisms; the middle turning positioning mechanism and the two groups of end turning positioning mechanisms have the same turning positioning components, and each turning positioning component is connected in a follow-up manner through a turning horizontal substrate arranged along the length direction of the workbench;
the end overturning and positioning mechanism is an active overturning mechanism, and an overturning oil cylinder drives an overturning horizontal substrate to rotate; the middle overturning positioning mechanism is a driven overturning mechanism and is driven to rotate by an overturning horizontal substrate;
the oil cylinder pressing mechanism comprises a pressing oil cylinder which is hung on a half gantry cantilever beam at the rear part of the workbench and is used for driving a pressing head to extend out to combine and fix the corner columns in a welding way under the driving of the pressing oil cylinder;
each upset location is constituteed and is all arranged in upset horizontal base plate through the amount of deflection insert, and the upset location is constituteed and is included: the positioning module is provided with an angle column positioning groove and an angle column plate positioning groove, and the pressing fixture is used for pressing the angle column to form a welding combination; the deflection insert is fixed on the turnover horizontal base plate, the positioning module is fixed on one side of the deflection insert, and the pressing clamp is fixed on the upper end face of the positioning module;
and a plurality of groups of spring type conveying rollers are arranged on the turnover horizontal substrate at intervals.
2. The welding deformation control device for the corner post assembly of a railway wagon of claim 1, wherein: the corner post positioning groove of the positioning module is a side limiting groove and is used for abutting and positioning the corner post assembly; the corner post plate positioning groove of the positioning module is a groove with a certain depth and arranged according to the welding positioning of the corner post plate, the width of the groove is larger than the thickness of the corner post plate, and the bottom surface of the groove and the upper surface of the corner post which is positioned by abutting are positioned on the same plane.
3. The welding deformation control device for the corner post assembly of a railway wagon as defined in claim 2, wherein: the pressing clamp is of a four-link lever structure with a motion dead point and comprises a clamp pressing head, a clamp pressing arm, a clamp lower link, a handle and a clamp upper link; the clamp pressure head is fixed on the clamp pressure arm, the clamp pressure arm is provided with two rotating centers, one rotating center is hinged on the positioning module, the other rotating center is hinged with the clamp upper connecting rod, the other end of the clamp upper connecting rod is hinged with the clamp lower connecting rod and is in driving connection with the handle, and the other end of the clamp lower connecting rod is hinged on the positioning module.
4. A wagon corner post assembly welding deformation control device as defined in claim 1, 2 or 3, wherein: each group of spring type transportation rollers consists of an extension spring, a sliding spring seat and a roller, wherein an inclined sliding groove is arranged in the sliding spring seat, and two ends of the roller can slide along the sliding groove; when the extension spring is in a free state, the height of the roller is consistent with the highest point of the deflection insert and is used for transportation in the feeding process; after the compression, the roller slides to the bottom along the chute, and forms integral deflection with the deflection insert to realize the anti-deformation compression of the corner column.
5. The welding deformation control device for the corner post assembly of a railway wagon of claim 4, wherein: the overturning and positioning assembly of the middle overturning and positioning mechanism is fixedly connected with the overturning and supporting arm in a supporting way through an overturning horizontal base plate, the overturning and supporting arm is hinged with a fixed support arranged on the working table, and the front end face of the fixed support is provided with an overturning and positioning assembly rotating cambered surface.
6. The welding deformation control device for the corner post assembly of a railway wagon of claim 4, wherein: the overturning and positioning component of the end overturning and positioning mechanism is fixedly connected with the overturning support arm in a supporting way through an overturning horizontal base plate, the overturning support arm is hinged with an overturning support seat arranged on the working table surface, meanwhile, the overturning support arm is also in driving connection with an overturning driving arm, and the other end of the overturning driving arm is in driving connection with an overturning oil cylinder arranged under the working table.
7. The welding deformation control device for the corner post assembly of a railway wagon of claim 6, wherein: two groups of overturning supporting arms are arranged below the end overturning horizontal substrate of each group of end overturning positioning mechanisms and hinged with an overturning support arranged on the working table, a rotating connecting rod is in driving connection between the rotating centers of the two groups of overturning supporting arms, and the middle part of the rotating connecting rod is in driving connection with an overturning driving arm in a rotating way.
8. The welding deformation control device for the corner post assembly of a railway wagon of claim 4, wherein: the spring type conveying rollers are at least provided with two groups on the overturning horizontal base plate and are positioned on two sides of the middle overturning positioning mechanism.
9. The welding deformation control device for the corner post assembly of a railway wagon of claim 4, wherein: the front end of the workbench is provided with a discharging roller for the corner post to move.
10. The welding deformation control device for the corner post assembly of a railway wagon of claim 4, wherein: the deflection insert and the spring type conveying roller form integral arc-shaped deflection along the length direction of the corner post assembly, wherein the highest point of the deflection insert deflection of the middle overturning positioning mechanism is located at the center of the length direction of the corner post assembly and is sequentially reduced from the middle to two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110057738.1A CN112756888A (en) | 2021-01-15 | 2021-01-15 | Welding deformation control device for corner post assembly of railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110057738.1A CN112756888A (en) | 2021-01-15 | 2021-01-15 | Welding deformation control device for corner post assembly of railway wagon |
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| Publication Number | Publication Date |
|---|---|
| CN112756888A true CN112756888A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110057738.1A Pending CN112756888A (en) | 2021-01-15 | 2021-01-15 | Welding deformation control device for corner post assembly of railway wagon |
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| Country | Link |
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| CN (1) | CN112756888A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828983A (en) * | 2021-09-30 | 2021-12-24 | 中国航发南方工业有限公司 | Overturning fixture for welding ring-shaped part with circumferential boss |
| CN114871639A (en) * | 2022-04-19 | 2022-08-09 | 上海寰宇物流科技有限公司 | Automatic welding device for end plate corner post lap joint laser tracking |
| CN116944639B (en) * | 2023-09-20 | 2023-12-26 | 晋西铁路车辆有限责任公司 | Railway wagon plate column type end wall assembly welding process |
-
2021
- 2021-01-15 CN CN202110057738.1A patent/CN112756888A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828983A (en) * | 2021-09-30 | 2021-12-24 | 中国航发南方工业有限公司 | Overturning fixture for welding ring-shaped part with circumferential boss |
| CN113828983B (en) * | 2021-09-30 | 2023-09-08 | 中国航发南方工业有限公司 | Overturning clamp for welding annular piece with circumferential boss |
| CN114871639A (en) * | 2022-04-19 | 2022-08-09 | 上海寰宇物流科技有限公司 | Automatic welding device for end plate corner post lap joint laser tracking |
| CN116944639B (en) * | 2023-09-20 | 2023-12-26 | 晋西铁路车辆有限责任公司 | Railway wagon plate column type end wall assembly welding process |
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