CN214685030U - Section bar welding deformation control device - Google Patents

Section bar welding deformation control device Download PDF

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Publication number
CN214685030U
CN214685030U CN202120146214.5U CN202120146214U CN214685030U CN 214685030 U CN214685030 U CN 214685030U CN 202120146214 U CN202120146214 U CN 202120146214U CN 214685030 U CN214685030 U CN 214685030U
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profile
support
control device
welding deformation
welded
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CN202120146214.5U
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Chinese (zh)
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马寅
韩晓辉
马国龙
武永寿
陈北平
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Abstract

The utility model provides a section bar welding deformation control device, which comprises a base and a rigidity constraint tool, wherein the rigidity constraint tool comprises a plurality of solder-resisting positioning tools and a pair of overturning tools; the solder mask positioning tool comprises a profiling positioning frame, a plurality of locking support legs are arranged on one side of the profiling positioning frame at intervals, sliding blocks connected by sliding grooves are formed at free ends of the locking support legs, and two ends of the profiling positioning frame in the length direction are connected with a base through fasteners; the turnover tool comprises an upper turnover support and a lower turnover support which are oppositely arranged from top to bottom, the two ends of the upper turnover support and the two ends of the lower turnover support are connected through a connecting component, a gap matched with the shape of a profile to be welded is formed between the upper turnover support and the lower turnover support, the two ends of the lower turnover support in the length direction are connected with the base through fasteners, and a plurality of pressing portions are arranged at intervals on the lower side of the upper turnover support. The utility model provides a deformation problem that the welding of automobile body section exists, improved production efficiency.

Description

Section bar welding deformation control device
Technical Field
The utility model relates to the field of welding technique, especially, relate to a section bar welding deformation controlling means.
Background
The rail transit is an important tool for people to go out at present, solves the problems of safety, reliability and comfort of the rail vehicle under high speed and complex environments, continuously improves the strength and precision of the rail vehicle, and is a major problem which needs to be overcome urgently in the industry. For aluminum alloy vehicles, the side wall, the roof and the floor of a vehicle body are long and large parts made of thin-wall aluminum alloy sections, the traditional arc welding process has engineering limitations of deformation adjustment, low precision, poor appearance and the like, and restricts the improvement of the precision level of the vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a section bar welding deformation controlling means for solve the deformation problem that rail vehicle automobile body section bar welding exists, improved section bar production efficiency.
The utility model provides a section bar welding deformation control device, include: the rigid constraint tool comprises a plurality of solder mask positioning tools arranged at intervals along the length direction of the base and a pair of overturning tools arranged at two ends close to the length direction of the base;
the solder mask positioning tool comprises a profiling positioning frame, wherein a plurality of locking support legs are arranged on one side, facing a profile to be welded, of the profiling positioning frame at intervals, slide blocks used for being connected with slide grooves of the profile are constructed at free ends of the locking support legs, and two ends of the profiling positioning frame in the length direction are connected with a base through fasteners;
the turnover tool comprises an upper turnover support and a lower turnover support which are arranged oppositely from top to bottom, two ends of the upper turnover support and two ends of the lower turnover support are connected through a connecting component, a gap matched with the shape of a section to be welded is formed between the upper turnover support and the lower turnover support, two ends of the lower turnover support in the length direction are connected with the base through fasteners, and a plurality of pressing portions are arranged at intervals on the lower side of the upper turnover support.
According to an embodiment provided by the present invention, the profiling positioning frame is used for matching the shape of one side of the profile to be welded with the shape of the profile to be welded;
the locking support legs are arranged at intervals along the length direction of the profiling positioning frame;
the locking support leg is characterized in that a long-strip-shaped opening is formed in the length direction of the locking support leg, the locking support leg penetrates through the long-strip-shaped opening through a connecting piece to be connected with the profiling positioning frame, and a sliding block of the locking support leg is a T-shaped sliding block.
According to an embodiment provided by the utility model, the profiling positioning frame comprises a cross beam, a first bending beam and a plurality of connecting beams, two ends of the first bending beam are connected with two ends of the cross beam through connecting plates, and the connecting beams are connected between the cross beam and the first bending beam;
the locking support leg is connected with the first camber beam;
the shape of the first bending beam is matched with the surface shape of the section to be welded.
According to the utility model provides a pair of embodiment, the support that overturns down includes the floorbar and connects two sloping with one side of floorbar, two the sloping with the floorbar encloses into the shape jointly and treats the surface shape assorted recess of welded section bar.
According to an embodiment provided by the utility model, the upper turning support comprises a top beam and a second curved beam, two ends of the second curved beam are connected with two ends of the top beam, and the top beam is connected with the second curved beam through a plurality of vertical beams arranged at intervals;
one side of the second bent beam facing the groove is a convex part matched with the shape of the groove.
According to the utility model provides a pair of embodiment, it is a plurality of the portion of compressing tightly is installed on the second camber beam, the tip of the portion of compressing tightly is equipped with the rubber pad.
According to the utility model provides a pair of embodiment, the back timber with the floorbar is the hollow section bar that the outer peripheral face was seted up jaggedly.
According to the utility model provides a pair of embodiment, the length direction's of base relative both sides interval is equipped with a plurality of linking arms, the linking arm includes first linking arm and second linking arm, first linking arm pass through the bolt with profile modeling positioning frame and go up upset leg joint, the second linking arm is connected with first compact heap for compress tightly on the surface of treating the welded section bar.
According to the utility model provides a pair of embodiment is located go up the upset support with upset support both ends down wear to be equipped with the second compact heap on the connecting elements for compress tightly in the relative both sides of the width direction of treating the welded section bar.
According to the utility model provides a pair of embodiment, the support that overturns down is in on the base, the base is equipped with a plurality of supporting shoes, a plurality of along its width direction interval the top surface of supporting shoe constitutes jointly and treats the surface shape assorted holding surface of welded section bar.
The utility model provides a section bar welding deformation controlling means, around rail vehicle automobile body section bar welding deformation control, especially grow up aluminum alloy thin-walled profile, design preparation profile modeling rigidity restraint, the cooperation is portable to hinder welds the location frock and applys multidirectional rigidity restraint to the section bar, control welding deformation, eliminate the influence of position switching process and transportation to the section bar precision, cooperation upset frock has simultaneously been overcome because the not enough problem that leads to unable upset of rigidity after the section bar positioning welding, realize the symmetric welding, further reduce welding deformation.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an installation schematic diagram of a solder mask positioning tool in the profile welding deformation control device provided by the present invention;
fig. 2 is an installation schematic diagram of a turning tool in the profile welding deformation control device provided by the present invention;
fig. 3 is a schematic structural view of an upper turning bracket in the turning tool of the present invention;
fig. 4 is a schematic structural view of a lower turning bracket in the turning tool of the present invention;
reference numerals:
100. welding resistance positioning tooling; 110. a cross beam; 120. a first curved beam; 130. a connecting beam; 140. a connecting plate; 150. locking the supporting legs;
10. a section bar;
200. turning the bracket upwards; 210. a top beam; 220. a second curved beam; 230. erecting a beam; 240. a pressing part;
300. a lower overturning bracket; 310. a bottom beam; 320. an oblique beam; 330. a support beam;
400. a connecting member.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes an embodiment of the profile welding deformation control device according to the present invention with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the utility model provides a section bar welding deformation control device (this embodiment is simply called as welding deformation control device), include: a base (not shown in the figure) and a rigid constraint tool installed on the base, wherein the rigid constraint tool is used for constraining the position of the section bar 10 to enable the section bar to be positioned and fixed, so that the next welding operation can be conveniently carried out.
It will be appreciated that the length of the base coincides with the length of the profile 10.
Specifically, the rigid constraint tool includes a plurality of solder mask positioning tools 100 arranged at intervals along the length direction of the base and a pair of turning tools arranged at two ends of the length direction close to the base, for example, 5 solder mask positioning tools 100 may be arranged. That is to say, in the length direction along the base, the both ends that are close to the base set up an upset frock respectively, the interval sets up a plurality ofly hinders and welds location frock 100 between a pair of upset frock, play the location, the supporting role, through hindering location frock 100 and exert multidirectional rigidity restraint in the whole length direction of section bar 10, control welding deformation, and can realize section bar 10 original place upset through the upset frock, be convenient for weld the two-sided of section bar 10, overcome section bar 10 location postweld because the problem that rigidity is not enough to lead to unable upset, realize the symmetric welding, further reduce welding deformation.
Further, the solder resist positioning tool 100 includes a profiling positioning frame, and the term "profiling" in this embodiment means to follow the shape of the profile 10.
As shown in fig. 1, in one embodiment, the positioning frame is provided with a plurality of locking legs 150 spaced toward one side of the profile 10 to be welded, the profile 10 having a sliding slot therein to facilitate installation of connectors, etc. One end of the locking support leg 150 is connected with the profiling positioning frame, the other end is a free end, a sliding block used for being connected with the sliding groove of the section bar 10 is constructed at the free end of the locking support leg 150, the sliding block slides into the sliding groove to be fixedly connected with the sliding groove, so that the section bar 10 is tightly connected with the profiling positioning frame, and tensile stress or compressive stress can be applied to the section bar 10 through the sliding block. In order to make the slider conveniently be connected with the spout, the spout is T type spout, and the slider is T type slider.
As shown in fig. 2, in an embodiment, the turning tool includes an upper turning bracket 200 and a lower turning bracket 300 which are disposed opposite to each other, taking the profile 10 as an example of the vehicle body side wall, the upper turning bracket 200 faces the concave side of the vehicle body side wall, so that the corresponding side of the upper turning bracket 200 protrudes downward to form a shape matching with the concave arc surface of the side wall, and the lower turning bracket 300 faces the convex side of the vehicle body side wall, so that the corresponding side of the lower turning bracket 300 is concave downward to form a shape matching with the convex arc surface of the side wall.
Specifically, as shown in fig. 2, both ends of the upper and lower flipping stents 200 and 300 are connected by a connecting member 400, and the shape of the connecting member 400 may be customized according to the shape of the connection site, for example, may be shaped like a triangle, a trapezoid, etc. Go up and to hold section bar 10 between upset support 200 and the lower upset support 300, fix section bar 10, consequently, go up and form between upset support 200 and the lower upset support 300 and wait the clearance that welded section bar 10 shape matches, fastener such as bolt and pedestal connection are passed through at the length direction's of lower upset support 300 both ends, thereby will turn over support 300 down and stabilize and support on the base, the downside interval of going up upset support 200 is equipped with a plurality of portions 240 that compress tightly, be used for compressing tightly on the surface of side wall, exert pressure stress to the side wall, thereby make both laminate inseparabler, the dislocation appears in the avoidance of welding process.
When a side face of the side wall is welded and needs to be turned, the fastener connecting the lower turning support 300 and the base is removed, and the lifting rope is connected to the connecting component 400, so that the welding deformation is reduced, and the welding process is satisfied by adopting a symmetrical welding mode: the assembly-tack welding-overturning-tack welding-overturning-welding requirements are met, and the overturning tool can effectively solve the problem that the whole positioning-welded section bar 10 is lack of rigidity and cannot be directly lifted and overturned in the air. The turning process supports and prevents the profile 10 from deforming. The overturning tool is connected with the special suspension type overturning machine through a lifting rope, the uniform 180-degree rotation of the part is realized through the crown block, the sectional material 10 is not in contact with any other object or the ground except the overturning tool in the overturning process, and the influence of the overturning process on the size of the sectional material 10 is reduced to the maximum extent.
Of course, the profile 10 can also be a roof or the like.
In the actual use process, the number and the position of the solder mask positioning tool 100 can be adjusted according to the length difference of the section 10, particularly the long and large aluminum alloy thin-wall section.
This embodiment centers on rail vehicle automobile body aluminium alloy thin wall section welding deformation control of growing up, design preparation profile modeling rigidity restraint, the location frock 100 is hindered to the cooperation portable hindering and to exert multidirectional rigidity restraint to section bar 10, control welding deformation, eliminate the influence of position switching process and transportation to section bar 10 precision, cooperation upset frock simultaneously, overcome section bar 10 location postweld because the not enough problem that leads to unable upset of rigidity, realize the symmetry welding, further reduce welding deformation.
In order to facilitate the mating of the profiling positioning frame with the profile 10 to be welded, according to an embodiment of the present invention, the profiling positioning frame is configured to match, e.g. both arc-shaped, the shape of one side of the profile 10 to be welded with the shape of the profile 10 to be welded.
The plurality of locking legs 150 are spaced apart along a length direction of the profile positioning frame, which is a width direction of the profile 10, so that the plurality of locking legs 150 are correspondingly connected with the sliding grooves of the profile 10 along the width direction of the profile 10.
In one embodiment, the locking leg 150 has an elongated opening along its length for receiving a connecting member, such as a bolt, through the elongated opening to connect to the profiling positioning frame, and the locking leg 150 has an elongated opening to facilitate adjustment of the position of the locking leg 150 relative to the profile 10 and adjustment of the tension between the locking leg 150 and the profile 10. In addition, the adjustment of the rotation angle of the locking leg 150 is facilitated by the elongated opening.
According to the present invention, as shown in fig. 1, the profiling positioning frame includes a cross beam 110, a first bending beam 120 and a plurality of connecting beams 130, two ends of the first bending beam 120 are connected to two ends of the cross beam 110 through connecting plates 140, and the plurality of connecting beams 130 are connected between the cross beam 110 and the first bending beam 120. Further, the first bending beam 120 includes a horizontal section and bending sections located at two sides of the horizontal section, and the concave side of the first bending beam 120 faces the cross beam 110. The connection strength between the first bending beam 120 and the cross beam 110 can be improved by providing the connection beam 130.
Specifically, to facilitate installation of the locking leg 150, the locking leg 150 is connected to the first camber beam 120.
In particular, for structural optimization, the shape of the first bending beam 120 is matched to the shape of the surface of the profile 10 to be welded.
According to the utility model provides an embodiment, as shown in fig. 4, lower upset support 300 includes floorbar 310 and connects two sloping 320 in floorbar 310 with one side, and two sloping 320 enclose into the shape jointly with floorbar 310 and treat welded section bar 10's surface shape assorted recess, and one side of floorbar 310 towards sloping 320 can also be provided with a supporting beam 330 at the both ends of floorbar 310, and sloping 320 supports and leans on a supporting beam 330 to play the effect of firm sloping 320.
According to the present invention, as shown in fig. 3, the upper turning support 200 includes a top beam 210 and a second curved beam 220, the second curved beam 220 includes a horizontal segment connected to the bending segment at the two ends of the horizontal segment, the two ends of the second curved beam 220 are connected to the two ends of the top beam 210, and one side of the inner recess of the second curved beam 220 faces the top beam 210. The top beam 210 is connected with the second curved beam 220 by a plurality of vertical beams 230 arranged at intervals to enhance the strength.
The side of the second beam 220 facing the groove is a convex part matching the shape of the groove, and the gap between the groove and the convex part is formed into a shape matching the profile 10.
According to the utility model provides a pair of embodiment, for the installation of convenient portion 240 that compresses tightly, a plurality of portions 240 that compress tightly are installed on second camber beam 220, and the tip that compresses tightly portion 240 is equipped with the rubber pad, compresses tightly on section bar 10 surface through the rubber pad, can not cause the indentation to section bar 10 surface.
According to the utility model provides a pair of embodiment, back timber 210 and floorbar 310 are the hollow section bar that the outer peripheral face was seted up jaggedly, can subtract heavy on the one hand, can also be convenient for the installation of other parts through breach department on the one hand.
According to the utility model provides a pair of embodiment, the length direction's of base relative both sides interval is equipped with a plurality of linking arms, and the linking arm includes first linking arm and second linking arm, and first linking arm passes through bolt and profile modeling positioning frame and goes up the upset leg joint, and the second linking arm is connected with first compact heap for compress tightly on the surface of treating welded section bar 10. The first connecting arm adjusts the compression degree of the profiling positioning frame and the upper turning support through the screwing degree of the bolt.
According to the utility model provides a pair of embodiment, wear to be equipped with the second compact heap on the connecting elements 400 that is located upper overturning bracket 200 and lower overturning bracket 300 both ends for compress tightly treating welded section bar 10's width direction's relative both sides, in order to fix section bar 10 at upper overturning bracket 200 and between lower overturning bracket 300.
According to an embodiment of the present invention, the lower turning bracket 300 is supported on the base and can be fixed on the base by bolts or the like; the base is equipped with a plurality of supporting blocks along its width direction interval, and the top surface of a plurality of supporting blocks constitutes jointly and treats the surperficial shape assorted holding surface of welded section bar 10, and section bar 10 places on the holding surface earlier, and then the installation hinders and welds location frock 100, hinders and welds location frock 100 and pass through bolted connection with first connecting arm after the installation is accomplished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a section bar welding deformation control device which characterized in that includes: the rigid constraint tool comprises a plurality of solder mask positioning tools arranged at intervals along the length direction of the base and a pair of overturning tools arranged at two ends close to the length direction of the base;
the solder mask positioning tool comprises a profiling positioning frame, wherein a plurality of locking support legs are arranged on one side, facing a profile to be welded, of the profiling positioning frame at intervals, slide blocks used for being connected with slide grooves of the profile are constructed at free ends of the locking support legs, and two ends of the profiling positioning frame in the length direction are connected with a base through fasteners;
the turnover tool comprises an upper turnover support and a lower turnover support which are arranged oppositely from top to bottom, two ends of the upper turnover support and two ends of the lower turnover support are connected through a connecting component, a gap matched with the shape of a section to be welded is formed between the upper turnover support and the lower turnover support, two ends of the lower turnover support in the length direction are connected with the base through fasteners, and a plurality of pressing portions are arranged at intervals on the lower side of the upper turnover support.
2. The profile welding deformation control device according to claim 1, wherein the shape of one side of the profiling positioning frame facing the profile to be welded is matched with the shape of the profile to be welded;
the locking support legs are arranged at intervals along the length direction of the profiling positioning frame;
the locking support leg is characterized in that a long-strip-shaped opening is formed in the length direction of the locking support leg, the locking support leg penetrates through the long-strip-shaped opening through a connecting piece to be connected with the profiling positioning frame, and a sliding block of the locking support leg is a T-shaped sliding block.
3. The profile welding deformation control device according to claim 2, wherein the profiling positioning frame comprises a cross beam, a first bending beam and a plurality of connecting beams, two ends of the first bending beam are connected with two ends of the cross beam through connecting plates, and the plurality of connecting beams are connected between the cross beam and the first bending beam;
the locking support leg is connected with the first camber beam;
the shape of the first bending beam is matched with the surface shape of the section to be welded.
4. The profile welding deformation control device according to claim 1, wherein the lower overturning bracket comprises a bottom beam and two oblique beams connected to the same side of the bottom beam, and the two oblique beams and the bottom beam jointly enclose a groove with a shape matched with the surface shape of the profile to be welded.
5. The profile welding deformation control device according to claim 4, wherein the upper overturning bracket comprises a top beam and a second bending beam, two ends of the second bending beam are connected with two ends of the top beam, and the top beam is connected with the second bending beam through a plurality of vertical beams arranged at intervals;
one side of the second bent beam facing the groove is a convex part matched with the shape of the groove.
6. The profile welding deformation control device according to claim 5, wherein a plurality of the pressing portions are mounted on the second bending beam, and a rubber pad is provided at an end of the pressing portion.
7. The profile welding deformation control device according to claim 5, wherein the top beam and the bottom beam are both hollow profiles with notches on the outer peripheral surfaces.
8. The profile welding deformation control device according to any one of claims 1 to 7, wherein a plurality of connecting arms are arranged at intervals on two opposite sides of the base in the length direction, the connecting arms comprise a first connecting arm and a second connecting arm, the first connecting arm is connected with the profiling positioning frame and the upper overturning bracket through bolts, and the second connecting arm is connected with a first pressing block for pressing the surface of the profile to be welded.
9. The profile welding deformation control device according to any one of claims 1 to 7, wherein second pressing blocks are arranged on the connecting members at the two ends of the upper overturning bracket and the lower overturning bracket in a penetrating manner and are used for pressing two opposite sides of the profile to be welded in the width direction.
10. The profile welding deformation control device according to any one of claims 1 to 7, wherein the lower turnover support is supported on the base, the base is provided with a plurality of support blocks at intervals in the width direction thereof, and the top surfaces of the plurality of support blocks together form a support surface matching the shape of the surface of the profile to be welded.
CN202120146214.5U 2021-01-19 2021-01-19 Section bar welding deformation control device Active CN214685030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120146214.5U CN214685030U (en) 2021-01-19 2021-01-19 Section bar welding deformation control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120146214.5U CN214685030U (en) 2021-01-19 2021-01-19 Section bar welding deformation control device

Publications (1)

Publication Number Publication Date
CN214685030U true CN214685030U (en) 2021-11-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120146214.5U Active CN214685030U (en) 2021-01-19 2021-01-19 Section bar welding deformation control device

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CN (1) CN214685030U (en)

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