CN101774100B - Adjustable position welding device of space truss structure - Google Patents
Adjustable position welding device of space truss structure Download PDFInfo
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- CN101774100B CN101774100B CN201010022061XA CN201010022061A CN101774100B CN 101774100 B CN101774100 B CN 101774100B CN 201010022061X A CN201010022061X A CN 201010022061XA CN 201010022061 A CN201010022061 A CN 201010022061A CN 101774100 B CN101774100 B CN 101774100B
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Abstract
The invention discloses an adjustable position welding device of a space truss structure. The adjustable position welding device comprises a main body composed of a support platform, longitudinal slideways and transverse slideways, wherein the longitudinal and transverse slideways both adopt the I-shaped beam structure which is formed by welding an upper plate girder, a lower plate girder and a middle plate girder together, the lower plate girder of each transverse slideway is provided with at least two guide slots which are perpendicular to the transverse slideway and arranged symmetrically to the centre, the longitudinal slideways support the transverse slideways through the guide slots, two pressing plates arranged in the guide slots are separately clamped on the two sides of each longitudinal slideway, and the transverse slideways are locked with the pressing plates through fastening pieces to fasten and position the transverse slideways and the longitudinal slideways. The invention has stable structure, the stress surface of the slideways is large and the position of the device can not change when in use.
Description
Technical field
The present invention relates to a kind of adjustable position welding device of grid structure.
Background technology
In order to reduce cost, the grid structure that my company has become the rectangular steel pipe assembly welding to form 7200kw six-axle car side structure frame design, it is that 120mm * 80mm, wall thickness are the rectangular steel pipe of 4mm that its crossbeam and longeron all adopt appearance and size.Side structure design for this structure is necessary that on technology side structure skeleton is divided into four ossiculum framves carries out assembly welding earlier, and then the side structure is assembled and be welded into to other parts of these little skeletons and side structure.So just must provide one crossbeam and longeron assembly welding become the frock of the little skeleton of side structure, this frock also need guarantee the flatness behind the ossiculum frame assembly welding, and the diagonal error that guarantees spacing distance and little skeleton between longeron, the crossbeam is in the design allowed band.For making this frock purposes wider, thereby need it be designed to a kind of adjustable frock that can be suitable for multiple vehicle side structure skeleton assembly welding location.
Existing adjustable electric locomotive side structure skeleton apparatus for welding and positioning main body is made up of brace table, transverse beam and the guide rail and the slide block that are arranged on the brace table outside; Its transverse beam side also is provided with the crossbeam hold down gag; Guide rail adopts screw to be fastened on the brace table outside, and slide block adopts screw to be fastened on the below at transverse beam two ends.The position adjustments of this transverse beam cooperates with slide block through guide rail regulates, and when being adjusted to correct position, through holding screw transverse beam and brace table is locked again, realizes the location of transverse beam with respect to brace table.
The defective of the positioner of this structure mainly contains:
1. guide rail is little, and is stressed big, and the strength of materials that requires to be used to make guide rail and slide block is big, hardness is high, the accuracy of manufacture requirement height of guide rail and slide block.
2. adopt holding screw fastening,, then can cause location change in the use, influence positioning accuracy,, then can cause other position distortion of guide rail, slide block or positioner, influence the flatness of skeleton assembly welding if fastening strength is excessive if fastening strength is too small.
Summary of the invention
Technical problem to be solved by this invention is, and is not enough to prior art, and a kind of Stability Analysis of Structures is provided, and lifting surface area is big, and in use can not locate the adjustable position welding device of the grid structure of change.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of adjustable position welding device of grid structure; It comprises the main body of being made up of brace table, longitudinal rail, cross slide way; These longitudinal rails and cross slide way all are the structural I-beam that adopts upper and lower plate-girder and middle plate-girder to be welded, and it is characterized in that
Offer at least two vertical with cross slide way and be centrosymmetric gathering sills on the following plate-girder of these cross slide waies; These longitudinal rails support cross slide way through the gathering sill of these cross slide waies; And two pressing plates that are arranged in gathering sill are arranged in the both sides of longitudinal rail respectively; Through the securing member locking, make the fastening location of cross slide way and longitudinal rail between cross slide way and the pressing plate.
In the such scheme, the distance on plane equates on the last plate-girder of the bottom surface of said each gathering sill to cross slide way, and its margin of tolerance is ± 0.1mm, and the margin of tolerance of said gathering sill width is ± 0.2mm.
In the such scheme, be provided with gusset in said longitudinal rail and the cross slide way, and the margin of tolerance of the width of said longitudinal rail and cross slide way upper plate fine strain of millet is-0.2mm～0mm.
In the such scheme, said securing member is a hold-down bolt.
In the such scheme, said pressing plate is made up of first, second and third grade step, and the end face of first order step is resisted against on the bottom surface of gathering sill of cross slide way, and lateral surface is against the side of the gathering sill of cross slide way; The end face of the medial surface of first order step and second level step is unsettled; The side of second level step is against the last plate-girder side of longitudinal rail, and third level step props up the last plate-girder base of said longitudinal rail.
In the such scheme, the gap of side is all between 0.1mm～0.5mm between said pressing plate and gathering sill and pressing plate and the longitudinal rail.
In the such scheme, locating hole is offered in the gathering sill both sides of said cross slide way, and offers the installation screw on the said pressing plate, and the locating hole that hold-down bolt passes cross slide way is arranged in the installation screw of pressing plate, and cross slide way and longitudinal rail are locked together.
In the such scheme, also set locating piece and hold down gag on the said cross slide way.
Compared with prior art; The beneficial effect that the present invention had is: the adjustable position welding device of grid structure of the present invention is done guide rail with the whole plate-girder of going up of longitudinal rail I-beam; And on the following plate-girder of cross slide way I-beam, offer gathering sill; A block pressur plate is respectively adorned on both sides in gathering sill, and each pressing plate compresses with at least two hold-down bolts, makes the present invention have following advantage:
1. do guide rail with the whole plate-girder of going up of longitudinal rail I-beam, the guide rail lifting surface area is big, and Stability Analysis of Structures is not high to material requirements, does not need too high machining accuracy.
2. adopt large-area pressing plate, two block pressur plates are arranged in each gathering sill, at least four hold-down bolts can compress with all strength, and thrust is big, can avoid in use locating change, and can not cause that guide rail or other position produce distortion.
3. as long as guarantee that the last plan range of plate-girder on bottom surface to the cross slide way of each gathering sill equates (to be controlled at the suitable margin of tolerance (for example: ± 0.1mm) interior); The last plane that can guarantee each I-beam is in same plane, for the welding or the assembling of grid structure provides a good datum level.
4. cross slide way, longitudinal rail can extend to multilayer easily, the location needs of more multilayer grid structures of regulating of satisfying the demand more.
Description of drawings
Fig. 1 a is the front view of adjustable position welding device one embodiment of grid structure of the present invention: 1 expression pressing plate among the figure; 2 expression cross slide waies; 3 expression longitudinal rails; 4 expression brace tables; 5 expression hold down gags.
Fig. 1 b is the vertical view of adjustable position welding device one embodiment of grid structure of the present invention: 2 expression cross slide waies among the figure; 3 expression longitudinal rails; 4 expression brace tables.
Fig. 2 a is the cross slide way structural front view of adjustable position welding device one embodiment of grid structure of the present invention: 6 expression gussets among the figure; 21 expression locating holes; 22 expression gathering sills.
Fig. 2 b is the A-A cutaway view of Fig. 2 a.
Fig. 3 is the adjustable position welding device one embodiment cross slide way of grid structure of the present invention and the connection layout of longitudinal rail: 1 expression pressing plate among the figure; 2 expression cross slide waies; 3 expression longitudinal rails; 6 expression gussets; 8 expression hold-down bolts.
Fig. 4 a is the pressure plate structure front view of adjustable position welding device one embodiment of grid structure of the present invention.
Fig. 4 b is the B-B cutaway view of Fig. 4 a.
The specific embodiment
Shown in Fig. 1 a and Fig. 1 b, adjustable position welding device one embodiment of grid structure of the present invention comprises the main body of being made up of brace table 4, longitudinal rail 3, cross slide way 2.Brace table 4 is the frame structures that adopt channel-section steel or square steel tube to be welded, and has enough intensity, rigidity and stability.
Shown in Fig. 2 a and Fig. 2 b; Longitudinal rail 3 and the structural I-beam of cross slide way 2 for adopting the upper, middle and lower plate-girder to be welded, it has the gusset 6 of necessity of suitable quantity, so its Stability Analysis of Structures; Postwelding carries out leveling, straightening and stress relief annealing to it again; Then the last plane and the width of the last plate-girder of all longitudinal rails 3 and cross slide way 2 are processed, with the width of last plate-girder be controlled at the suitable margin of tolerance (for example: in-the 0.2mm～0mm), the flatness on plane in the assurance simultaneously.The following plate-girder bottom of every cross slide way 2 offer and distance vertical with cross slide way (be controlled at that the suitable margin of tolerance (for example: ± 0.3mm) interior) equates about centrosymmetric two gathering sills 22 (plural gathering sill 22 can certainly be set); The width of gathering sill 22 be controlled at the suitable margin of tolerance (for example: ± 0.2mm) in; The last plan range that guarantees plate-girder on bottom surface to the cross slide way of each gathering sill 22 simultaneously (is controlled at the suitable margin of tolerance (for example: ± 0.1mm)) and equates, can all cross slide waies 2 be accomplished together the processing of gathering sill 22 in a clamping.
Shown in Fig. 3 and Fig. 4 a, Fig. 4 b, longitudinal rail 3 supports cross slide way 2 through the gathering sill 22 of cross slide way 2.Pressing plate 1 is made up of first, second and third grade step (11,12,13), and offers installation screw 14 on the second level step 12 of this pressing plate 1.The end face of the first order step 11 of this pressing plate 1 is resisted against on the bottom surface of gathering sill 22 of cross slide way 2, and the lateral surface of first order step 11 is against the side of the gathering sill 22 of cross slide way 2; The end face of the medial surface of first order step 11 and second level step 12 is unsettled; The side of second level step 12 is against the last plate-girder side of longitudinal rail 3; Third level step 13 props up the last plate-girder base of longitudinal rail 3, and the gap that guarantees side between pressing plate 1 and gathering sill 22 and pressing plate 1 and the longitudinal rail 2 simultaneously is all between 0.1mm～0.5mm.Longitudinal rail 3 both sides that are positioned at gathering sill 22 are blocked respectively and are established pressing plate 1; Locating hole 21 is also offered in gathering sill 22 both sides of cross slide way 2; The locating hole 21 that hold-down bolt 8 passes cross slide way 2 is arranged in the installation screw 14 of pressing plate 1, cross slide way 2 and longitudinal rail 3 is locked together, like this; Cross slide way 2 has just formed the grid structure shown in Fig. 1 b with longitudinal rail 3, and the operator may stand in complete operation between the outside, two cross slide waies 2 of longitudinal rail 3.Because the last plan range of the last plate-girder of bottom surface to the cross slide way 2 of each cross slide way gathering sill 22 equates; And the last plane of longitudinal rail 3 is a machined surface; So with each cross slide way 2 and longitudinal rail 3 by shown in Figure 3 fastening after, the last plane of all cross slide waies 2 can (be not more than 0.5mm at gamut inner plane degree) in same plane.Also set suitable locating piece (not shown) and hold down gag 5 on this cross slide way 2.
During use, the crossbeam of the side structure skeleton of waiting to assemble and weld is contained on the cross slide way 2, and compresses crossbeam, and the longeron of side structure skeleton rides on two cross slide waies 2, connect flatly, promptly can begin assembling, weld side structure skeleton with crossbeam with hold down gag 5.
Because the width of cross slide way gathering sill 22 and the tolerance of spacing are controlled in the suitable margin of tolerance; And suitable matched in clearance has been adopted in the side between pressing plate 1 and gathering sill 22 and pressing plate 1 and the longitudinal rail 3; So unclamping behind the hold-down bolt 8 can parallel mobile cross slide way 2; Regulate the distance between the cross slide way 2; Thereby the location needs that adapt to the assembling of other vehicle side structure skeleton, welding can not cause behind the fastening again hold-down bolt 8 that the flatness, Diagonal Dimension error etc. of this positioner change.
Because the last plane and the width of the last plate-girder of all longitudinal rail I-beam and cross slide way I-beam all pass through machined, the width of last plate-girder (for example: in-the 0.2mm～0mm), guaranteed the flatness on the last plane of plate-girder on each simultaneously is controlled at the suitable margin of tolerance; And with the last plate-girder of longitudinal rail I-beam as guide rail; So the guide rail lifting surface area is big, Stability Analysis of Structures can be born bigger thrust; Less demanding to material do not need too high machining accuracy.
Owing to adopt large-area pressing plate 1; Two block pressur plates 1 are arranged in each gathering sill 22; Every block pressur plate 1 is fastening through two hold-down bolts, can compress with all strength, and thrust is big; So can avoid in use locating change, and can not cause that other position of this positioner produces distortion.
Cross slide way of the present invention, longitudinal rail can extend to multilayer, so this structure extended to the location needs of more multilayer grid structures of regulating of can satisfying the demand after the multilayer more.
Claims (8)
1. the adjustable position welding device of a grid structure; It comprises the main body of being made up of brace table, longitudinal rail, cross slide way; These longitudinal rails and cross slide way all are the structural I-beam that adopts upper and lower plate-girder and middle plate-girder to be welded, and it is characterized in that
Offer at least two vertical with cross slide way and be centrosymmetric gathering sills on the following plate-girder of these cross slide waies; These longitudinal rails support cross slide way through the gathering sill of these cross slide waies; And two pressing plates that are arranged in gathering sill are arranged in the both sides of longitudinal rail respectively; Through the securing member locking, make the fastening location of cross slide way and longitudinal rail between cross slide way and the pressing plate.
2. the adjustable position welding device of grid structure according to claim 1; It is characterized in that; The distance on plane equates on the last plate-girder of the bottom surface of said each gathering sill to cross slide way, and its margin of tolerance is ± 0.1mm, and the margin of tolerance of said gathering sill width is ± 0.2mm.
3. the adjustable position welding device of grid structure according to claim 1 is characterized in that, is provided with gusset in said longitudinal rail and the cross slide way, and the margin of tolerance of the width of plate-girder is-0.2mm～0mm on said longitudinal rail and the cross slide way.
4. the adjustable position welding device of grid structure according to claim 1 is characterized in that, said securing member is a hold-down bolt.
5. the adjustable position welding device of grid structure according to claim 1; It is characterized in that; Said pressing plate is made up of first, second and third grade step, and the end face of first order step is resisted against on the bottom surface of gathering sill of cross slide way, and lateral surface is against the side of the gathering sill of cross slide way; The end face of the medial surface of first order step and second level step is unsettled; The side of second level step is against the last plate-girder side of longitudinal rail, and third level step props up the last plate-girder base of said longitudinal rail.
6. the adjustable position welding device of grid structure according to claim 5 is characterized in that, the gap of side is all between 0.1mm～0.5mm between said pressing plate and gathering sill and pressing plate and the longitudinal rail.
7. the adjustable position welding device of grid structure according to claim 1; It is characterized in that; Locating hole is offered in the gathering sill both sides of said cross slide way; And offer the installation screw on the said pressing plate, the locating hole that hold-down bolt passes cross slide way is arranged in the installation screw of pressing plate, and cross slide way and longitudinal rail are locked together.
8. the adjustable position welding device of grid structure according to claim 1 is characterized in that, also sets locating piece and hold down gag on the said cross slide way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010022061XA CN101774100B (en) | 2010-01-13 | 2010-01-13 | Adjustable position welding device of space truss structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010022061XA CN101774100B (en) | 2010-01-13 | 2010-01-13 | Adjustable position welding device of space truss structure |
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| CN101774100A CN101774100A (en) | 2010-07-14 |
| CN101774100B true CN101774100B (en) | 2012-06-06 |
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| CN102069341A (en) * | 2010-12-27 | 2011-05-25 | 北京汽车新能源汽车有限公司 | Welding clamp for assembling floor and battery box and manufacturing method |
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| CN102699600B (en) * | 2012-06-12 | 2014-07-23 | 江苏友谊汽车有限公司 | Welding mould of top frame of passenger car |
| CN103286501B (en) * | 2013-06-09 | 2015-04-08 | 江南嘉捷电梯股份有限公司 | Elevator lower beam welding and location device |
| CN103737185A (en) * | 2013-12-24 | 2014-04-23 | 苏州欢颜电气有限公司 | Fusing device |
| CN107470830A (en) * | 2017-09-15 | 2017-12-15 | 深圳传音制造有限公司 | A kind of weld jig for intelligent terminal mainboard |
| CN115383356B (en) * | 2022-09-13 | 2024-01-23 | 中国建筑第五工程局有限公司 | Welding device and process for steel structure net frame of house building |
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